Medical pressure sensor electrical safety automatic detection equipment and use method thereof
By designing automated testing equipment, multiple safety tests can be completed in a single clamping of pressure sensors, solving the problems of low efficiency, high false judgment rate and large space occupation in existing technologies, and improving testing efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ZHEJIANG HAISHENG MEDICAL DEVICE CO LTD
- Filing Date
- 2026-02-10
- Publication Date
- 2026-05-12
AI Technical Summary
In the existing pressure sensor testing process, manual operation is inefficient, prone to poor contact and human error, resulting in inaccurate test results. Furthermore, the dispersed testing procedures lead to long cycles and large space requirements.
An automated electrical safety testing device for medical pressure sensors was designed. It adopts a multi-station loading assembly and auxiliary testing assembly driven by a rotary motor to complete multiple safety tests with a single clamping of the sensor. The device uses a negative pressure adsorption of an air pump and a clamping holder to hold the plug-in structure, combined with an electromagnet to control the automated judgment and sorting of test results.
It achieves fully automated connection of the sensor detection process, improves detection efficiency and accuracy, reduces human error and missed detection, shortens the detection cycle, and reduces cost and space occupation.
Smart Images
Figure CN122017416A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of sensor testing technology, specifically to an automated electrical safety testing device for medical pressure sensors and its usage method. Background Technology
[0002] Pressure sensors, as critical measurement components, are widely used in industrial automation, automotive electronics, consumer electronics, medical, and aerospace fields. Their reliability directly affects the safety and stability of the entire system or end product. Therefore, before leaving the factory, sensors must undergo a series of rigorous safety regulations testing according to relevant industry standards, typically including but not limited to insulation withstand voltage, temperature cycling, mechanical vibration, and protection rating (IP).
[0003] Nowadays, the testing process mostly requires testing personnel to manually move, clamp, start the test, and record the results of the sensor under test between various independent testing equipment (such as pressure testers, high and low temperature chambers, vibration tables, etc.).
[0004] First, manual operation is inefficient. The clamping process is time-consuming and prone to poor contact due to human factors, affecting the accuracy of test data. Second, all test results rely on manual observation, recording, and judgment, which is prone to human error or missed detection, resulting in defective products entering the market or qualified products being discarded incorrectly, causing quality risks and economic losses. Finally, the dispersed process means that the time for sensors to travel and wait between various workstations is much longer than the actual testing time, resulting in a long overall testing cycle and a large area occupied. Summary of the Invention
[0005] To address the aforementioned problems in the existing technology, this invention provides an automated electrical safety testing device for medical pressure sensors and its usage method, which has the advantages of automatically completing multiple safety tests and recording data with a single clamping.
[0006] To achieve the above objectives, the present invention provides the following technical solution: an automated testing device for electrical safety of medical pressure sensors, comprising a base and a mounting ring, wherein a rotary motor is fixed inside the base and a turntable is rotatably mounted thereon, and the mounting ring is fixedly mounted on the base via a connecting leaf, characterized in that: a plurality of loading components are movably arranged inside the base, at least two auxiliary testing components are fixed on the outer periphery of the base, and at least one testing box is detachably mounted on the base; The loading assembly includes a rotating rod and a loading seat, wherein the rotating rod is fixedly mounted on a turntable, and the loading seat is fixedly mounted on the rotating rod. The loading seat is provided with a loading slot for placing a sensor. An air pump is provided inside the rotating rod, and the air pump is connected to the bottom of the loading slot through a pipe for negative pressure adsorption to fix the sensor.
[0007] The auxiliary detection component includes a detection trigger block and a reset trigger block, wherein the total number of detection trigger blocks is less than the number of the loading components.
[0008] Preferably, the loading seat is further provided with two sets of clamping electric cylinders and clamping brackets. The clamping brackets are fixedly connected to the telescopic rods of the clamping electric cylinders. The two sets of clamping electric cylinders and clamping brackets are located on both sides of the loading groove. The side end face of the clamping bracket is provided with a socket, which is adapted to the wire interface of the sensor.
[0009] Preferably, a counting trigger block is provided on the end face of the rotating rod away from the turntable. The counting trigger block is electrically connected to the air pump, and the clamping seat is connected to an external power source or an integrated power source in the base to transmit power.
[0010] Preferably, the counting trigger block is equipped with a counter, which counts once each time it comes into contact with the counting trigger block.
[0011] Preferably, a magnetic contact head is slidably disposed inside the detection trigger block. One end of the magnetic contact head is installed inside the detection trigger block by a spring. An electromagnet is also installed inside the detection trigger block. The electromagnet corresponds to the magnetic contact head and is connected to an external power source or detection box.
[0012] Preferably, the number of rotating rods is three more than the number of detection trigger blocks. These three rotating rods are located on the same side and are arranged adjacent to each other. The positions of these three rotating rods are the working positions of three external robots, namely a loading robot, a qualified unloading robot, and an unqualified unloading robot. The unqualified unloading robot is located between the loading robot and the qualified unloading robot.
[0013] Preferably, the reset trigger block is disposed between the qualified unloading robot and the unqualified unloading robot, and has at least two reset contact heads inside, the number of which is consistent with the number of detection trigger blocks.
[0014] Preferably, the base and the mounting ring are provided with at least two housing mounting slots, the housing mounting slots are correspondingly provided with the detection trigger block, and the detection box is installed in the housing mounting slot.
[0015] Preferably, the testing box includes at least three types: a first testing box, a second testing box, and a third testing box. The first testing box includes a first connecting foot and a pressure rod. The first connecting foot is fixedly installed on the base and the mounting ring. An electric cylinder is provided inside the first testing box. The pressure rod is installed on the electric cylinder inside the first testing box to provide pressure. The third testing box includes a second connecting foot and a sealing cover. The second connecting foot is fixedly installed on the base and the mounting ring. An electric cylinder is also provided inside the third testing box. The sealing cover is installed on the electric cylinder inside the third testing box, so that the sealing cover can slide up and down. A heating element and a monitoring element are provided inside the sealing cover.
[0016] This invention also provides a method for using an automated electrical safety testing device for medical pressure sensors, comprising the following steps: S1: Install the corresponding testing box according to customer needs or different pressure sensor testing standards to provide the corresponding environment for sensor testing; S2: The loading robot adsorbs the pressure sensor and places it on the loading seat near the detection trigger block, so that the sensor enters the loading slot. The air pump here starts, so that the bottom of the sensor is in a negative pressure state, which can adsorb the sensor and complete the initial loading. At this time, the sensor's wiring port is located at the clamping electric cylinder. S3: The clamping electric cylinder starts, driving the clamping brackets on both sides to clamp the sensor to the side. The clamping bracket on the side with the sensor wiring port is inserted into the wiring port to activate the sensor and provide it with power. At this time, the loading is complete. S4: The loading assembly is rotated intermittently at a fixed angle by a rotary motor; S5: When the sensor mounting base rotates to the detection trigger block, if no corresponding detection box is installed at the current detection trigger block, the electromagnet is not energized, and the magnetic contact head contacts the current counting trigger block, causing the counting trigger block to count once. If a corresponding detection box is installed at the current detection trigger block, the electromagnet is connected to the detection box to be energized and transmit signals, causing the electromagnet to attract the magnetic contact head and compress the spring. When the rotating rod rotates to this position, the counting trigger block and the magnetic contact head are not in contact. After the detection is completed, the detection box transmits a signal to the electromagnet according to the detection result. If the detection is successful, the electromagnet is disconnected, the magnetic contact head is reset and contacts the counting trigger block, causing the counter to count once. If the detection is unsuccessful, the electromagnet remains energized, and the magnetic contact head remains in the attracted state and does not contact the counting trigger block. S6: When the loading seat carrying the sensor rotates to the last detection trigger block and the detection is completed, if the count value of the counter of the counting trigger block is consistent with the number of detection trigger blocks, it means that the sensor on the current loading seat is qualified for detection and the count of the counting trigger block reaches the requirement. The signal is sent to disconnect the air pump to release the sensor. At the same time, the clamping electric cylinder is started to open the clamping seat. When the loading seat rotates to the qualified unloading robot, the sensor can be removed by the qualified unloading robot. If any one or more detections fail, the counter value will be less than the number of detection trigger blocks. At this time, the count of the counting trigger blocks does not meet the requirements and cannot transmit a signal. The sensor remains fixed. When the loading seat rotates to the qualified unloading robot, the qualified unloading robot cannot remove the sensor. At this time, the loading seat continues to rotate. When it passes the reset trigger block, it contacts the reset contact head in sequence, so that the count of the counting trigger block is greater than or equal to the number of detection trigger blocks. This controls the air pump to disconnect, releases the sensor, and then moves to the unqualified unloading robot, where it is removed. S7: After the sensor is removed by the unloading robot, the rotating rod continues to rotate to the loading robot. At this time, step S2 can be repeated, and so on, to perform automated continuous detection.
[0017] Compared with the prior art, the present invention provides an automated electrical safety testing device for medical pressure sensors and its usage method, which has the following beneficial effects: 1. By coordinating the negative pressure adsorption structure of the air pump in the loading assembly with the clamping and plugging structure of the clamping seat, the entire process from sensor loading to detection is automated, effectively solving the problems of low efficiency and poor contact caused by manual operation. The auxiliary detection assembly controls the on / off state of the electromagnet based on the detection results. When the detection is qualified, the electromagnet is de-energized, releasing the magnetic contact head and allowing it to contact the counting trigger block to complete the counting. When the detection is unqualified, the electromagnet remains energized, adsorbing the magnetic contact head and blocking the counting trigger. This closed-loop control of "detection result - counting state - release signal" replaces the traditional manual judgment and sorting mode, avoiding human error or missed detection, and improving the accuracy and consistency of detection.
[0018] 2. Through the coordinated operation of the intermittent rotation structure driven by the rotary motor and the multi-station loading components, the detection process is made continuous and efficient. The loading components pass through different detection boxes and auxiliary detection components in sequence, so that a single sensor can complete multiple detection items in one rotation cycle without repeated clamping and transfer.
[0019] 3. By separating qualified and unqualified unloading robots and combining this with the control logic of the air pump release signal based on the counter value: when the count value meets the standard, the air pump releases at the qualified station; when the count value fails to meet the standard, it is reset by the trigger block and then released at the unqualified station. This forms a fully automated inspection production line of "feeding - multi-item inspection - automatic sorting - cyclic feeding". This solves the problems of dispersed processes and long waiting times caused by traditional multi-equipment step-by-step inspection, greatly improving inspection efficiency. Moreover, a single device can handle the parallel inspection of multiple sensors simultaneously, significantly reducing the unit inspection cost and site area occupied. Attached Figure Description
[0020] Figure 1This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the half-section structure of the present invention; Figure 3 This is a schematic diagram of the side cross-section structure of the present invention; Figure 4 For the present invention Figure 3 Enlarged structural diagram at point A; Figure 5 This is a schematic diagram of the structure of the present invention without the detection box installed; Figure 6 This is a schematic diagram of the loading component structure of the present invention; Figure 7 This is a schematic diagram of a half-section of the loading component of the present invention; Figure 8 This is a schematic diagram of the structure of the first detection box of the present invention; Figure 9 This is a schematic diagram of the third detection box structure of the present invention; Figure 10 This is a schematic diagram of a half-section of the third detection box of the present invention.
[0021] In the diagram: 10. Base; 101. Housing mounting slot; 11. Mounting ring; 12. Turntable; 13. Rotary motor; 20. Rotating rod; 201. Air pump; 202. Counting trigger block; 21. Loading seat; 211. Clamping electric cylinder; 212. Clamping card seat; 22. Air passage; 30. Detection trigger block; 301. Magnetic contact head; 302. Electromagnet; 31. Reset trigger block; 311. Reset contact head; 40. First detection box; 401. First connecting foot; 402. Pressure rod; 41. Second detection box; 42. Third detection box; 421. Second connecting foot; 422. Sealing cover; 50. Pressure sensor. Detailed Implementation
[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0023] like Figure 1-10As shown, an automated electrical safety testing device for medical pressure sensors includes a base 10 and a mounting ring 11. A rotary motor 13 is fixed inside the base 10, and a turntable 12 is rotatably mounted thereon. A power supply is provided inside the turntable 12 to provide power to the electronic components on the rotating rods 20 and the loading seat 21, or power can be directly provided by an external power source through carbon brushes and wires via an electronic slip ring on the turntable 12. The mounting ring 11 is fixedly mounted on the base 10 via connecting leaves. Several loading components are movably arranged inside the base 10. At least two auxiliary testing components are fixed on the outer periphery of the base 10. At least one testing box is detachably mounted on the base 10. A main controller is provided on this device to cause the rotary motor 13 to drive the turntable 12 to rotate intermittently. The rotation angle is adjustable according to the number of rotating rods 20. In testing projects that require power, the pressure sensor 50 can be energized and automatically de-energized after the test. In projects that do not require power, the pressure sensor 50 can be de-energized. The entire device is grounded to eliminate the influence of static electricity.
[0024] The loading assembly includes a rotating rod 20 and a loading seat 21. The rotating rod 20 is fixedly mounted on the turntable 12, and the loading seat 21 is fixedly mounted on the rotating rod 20. Multiple rotating rods 20 are provided, preferably eight, and their rotation angles are preferably 45° each time. Figure 2 The diagram shows a counter-clockwise rotation, with the rotation time set to the longest detection period for any test item. The loading seat 21 has a loading slot for placing the sensor. An air pump 201 is installed inside the rotating rod 20, connected to the outside environment for venting. A sensor is located inside the loading slot. When the pressure sensor 50 is placed in the loading slot, the air pump 201 automatically starts, automatically adsorbing and fixing the pressure sensor 50. The air pump 201 is connected to the bottom of the loading slot via a pipe and a vent 22, used for negative pressure adsorption and fixing of the sensor. Through the sensor in the loading slot and the negative pressure adsorption structure of the air pump 201, the sensor is automatically and stably fixed after placement, effectively avoiding result deviations caused by sensor displacement during detection.
[0025] The loading seat 21 is also equipped with two sets of clamping electric cylinders 211 and clamping brackets 212. The clamping brackets 212 are fixed together with the telescopic rods of the clamping electric cylinders 211. The two sets of clamping electric cylinders 211 and clamping brackets 212 are located on both sides of the loading groove. The side end face of the clamping brackets 212 is provided with a socket, which is compatible with the wire interface of the sensor. The two can be stably connected together. The pressure sensor 50 is positioned and initially limited in the loading groove. Then, during the clamping process of the clamping brackets 212, it will be electrically connected to the pressure sensor 50 through the socket for power connection. A counting trigger block 202 is provided on the end face of the rotating rod 20 away from the turntable 12. The counting trigger block 202 is electrically connected to the air pump 201 and is used to control the release of the air pump 201. The clamping seat 212 is connected to an external power source or the integrated power wire in the base 10 to transmit power. The counting trigger block 202 is equipped with a counter. Each time it comes into contact with the counting trigger block 202, it counts once. When the counter count is not less than five times, it can trigger its transmission signal to control the air pump 201 to shut down, thereby releasing the pressure sensor 50 and making the pressure sensor 50 loose and easy to pick up. When the count is less than five times, it will not trigger its transmission signal, and the pressure sensor 50 will always be in a tightly fixed state and cannot be easily removed.
[0026] The auxiliary detection component includes a detection trigger block 30 and a reset trigger block 31. The total number of detection trigger blocks 30 is less than the number of loaded components. The reset trigger blocks 31 are preferably five in a continuous arrangement.
[0027] A magnetic contact head 301 is slidably disposed inside the detection trigger block 30. One end of the magnetic contact head 301 is installed inside the detection trigger block 30 by a spring. An electromagnet 302 is also installed inside the detection trigger block 30. The electromagnet 302 corresponds to the magnetic contact head 301 and is connected to an external power supply or detection box. After the detection box or this device acquires detection data and determines the result, its control signal will be sent to the electromagnet 302 to control whether it disconnects or continues to maintain the connection.
[0028] The number of rotating rods 20 is three more than the number of detection trigger blocks 30. These three rotating rods 20 are located on the same side and are arranged adjacent to each other. The positions of these three rotating rods 20 are the working positions of three external robots. The three robots are a loading robot, a qualified unloading robot, and a unqualified unloading robot. The unqualified unloading robot is located between the other two robots. The loading and unloading of the robots are carried out by pneumatic adsorption or magnetic attraction (when the sensor has a metal shell). The reset trigger block 31 is set between the two unloading robots. It has at least two reset contact heads 311 inside. The number of reset contact heads 311 is the same as that of the detection trigger blocks 30. It can provide a count value of not less than that of the detection trigger blocks 30 for the release of the unqualified pressure sensor 50.
[0029] At least two housing mounting slots 101 are provided on the base 10 and the mounting ring 11. The housing mounting slots 101 are correspondingly set with the detection trigger block 30. The detection box is installed in the housing mounting slot 101. The detection box includes at least three types: a first detection box 40, a second detection box 41, and a third detection box 42. The first detection box 40 includes a first connecting foot 401 and a pressure rod 402. The first connecting foot 401 is fixedly installed on the base 10 and the mounting ring 11 by bolts. An electric cylinder is provided inside the first detection box 40. The pressure rod 402 is installed on the electric cylinder inside the first detection box 40 to provide pressure. The third detection box 42 includes a second connecting foot 421 and a sealing cover 422. The second connecting foot 421 is fixedly installed on the base 10 and the mounting ring 11 by bolts. An electric cylinder is also provided inside the third detection box 42. The sealing cover 422 is fixedly connected to the telescopic rod of the electric cylinder so that the sealing cover 422 can slide up and down under the drive of the electric cylinder. A heating element and a monitoring element are provided inside the sealing cover 422.
[0030] The testing chamber includes, but is not limited to, pressure testing, leakage current testing, high and low temperature testing, and insulation resistance testing. The testing chamber provides the corresponding testing environment for the above-mentioned testing items. For example, in pressure testing, a certain pressure is applied to the pressure sensor 50 through the pressure rod 402 to detect the peak value of the pressure sensor 50. In high-temperature testing, a sealing cover 422 is placed over the pressure sensor 50 to provide a high-temperature sealed environment, detecting the detection stability of the pressure sensor 50 under extreme high temperatures. In leakage current testing, the insulating cover of the sealing cover 422, together with the internal vision system and the stability of current transmission on the mounting base 21, determines whether the leakage current is qualified. Corresponding testing chambers can be customized and installed on the base 10 to meet the requirements of different customers or pressure sensors 50. This allows the entire device to automatically complete multiple safety tests and record data after a single clamping. Then, by comparing the data results, qualified and unqualified products are automatically separated without manual intervention. It can operate continuously, effectively improving the testing efficiency of the pressure sensor 50.
[0031] Working principle: A method for using an automated electrical safety testing device for medical pressure sensors includes the following steps: S1: Install the corresponding testing box according to customer needs or different pressure sensor testing standards to provide the corresponding environment for sensor testing. Alternatively, existing testing equipment can be installed directly, so that the loading seat 21 only serves as a clamp and the testing can be carried out directly through the existing equipment. The test results can be transmitted to the electromagnet 302 through the wire. S2: The loading robot adsorbs the pressure sensor 50 and places it on the loading seat 21 near the detection trigger block 30, so that the sensor enters the loading slot. The air pump 201 here is started, so that the bottom of the sensor is in a negative pressure state, which can adsorb the sensor and complete the initial loading. At this time, the sensor's wiring port must be located at the clamping electric cylinder 211 during loading. S3: The clamping cylinder 211 is started, which drives the clamping brackets 212 on both sides to clamp the sensor inward to the side. The clamping bracket 212 on the side of the sensor terminal will be inserted into the terminal to activate the sensor and provide it with power. At this time, the loading is complete. S4: The loading assembly is rotated intermittently at a fixed angle by the rotary motor 13, preferably 45°. That is, there are eight rotating rods 20, and each rotation can rotate 45°, which is just enough to enable it to operate continuously. S5: When the sensor mounting base 21 rotates to the detection trigger block 30, if no corresponding detection box is installed at the current detection trigger block 30, the electromagnet 302 is not energized, and the magnetic contact head 301 will contact the counting trigger block 202, causing the counting trigger block 202 to count once; if a corresponding detection box is installed at the current detection trigger block 30, the electromagnet 302 is connected to the detection box for energization and signal transmission, causing the electromagnet 302 to attract the magnetic contact head 301 and compress the spring. When the rotating rod 20 rotates to this position, the counting trigger block 202 and the magnetic contact head 301 are not in contact; after the detection is completed, the detection box transmits a signal (detection result) to the electromagnet 302. If the detection is successful, the electromagnet 302 is disconnected, causing the magnetic contact head 301 to reset and contact the counting trigger block 202, causing the counter to count once; if the detection is unsuccessful, the electromagnet 302 remains energized, and the magnetic contact head 301 remains in the attracted state and will never contact the counting trigger block 202. S6: When the loading seat 21 carrying the sensor rotates to the last detection trigger block 30 and the detection is completed, if the count value of the counter of the counting trigger block 202 is consistent with the number of detection trigger blocks 30, it means that the sensor on the current loading seat 21 is qualified and the count of the counting trigger block 202 has reached the requirement. A signal can be sent to disconnect the air pump 201 to release the sensor. At the same time, the clamping electric cylinder 211 is started to open the clamping seat 212. When the loading seat 21 rotates to the qualified unloading robot, it can be directly removed by the robot (air suction). When any one or more detections fail, the counter value is less than the number of detection trigger blocks 30. At this time, the count of the counting trigger block 202 does not meet the requirements and cannot transmit a signal. The sensor is still fixed. When the loading seat 21 rotates to the qualified unloading robot, the qualified unloading robot cannot remove the sensor. At this time, the loading seat 21 continues to rotate. When it passes the reset trigger block 31, it will contact the reset contact head 311 in sequence, so that the count of the counting trigger block 202 is greater than or equal to the number of detection trigger blocks 30. Then the air pump 201 can be controlled to disconnect, releasing the sensor. Then it can be moved to the unqualified unloading robot and directly removed by the robot there. S7: After the sensor is removed by the unloading robot, the rotating rod 20 continues to rotate to the loading robot. At this time, the steps of S2 can be repeated, and so on, to perform automated continuous detection and sorting.
[0032] In summary, this automated electrical safety testing equipment for medical pressure sensors and its usage method, through the combined use of the negative pressure adsorption structure of the air pump 201 and the clamping and plugging structure of the clamping seat 212 in the loading component, achieves fully automated connection of the sensor from loading to testing, effectively solving the problems of low efficiency and poor contact caused by manual operation. The auxiliary testing component controls the on / off state of the electromagnet based on the test results. When the test is qualified, the electromagnet 302 is de-energized, releasing the magnetic contact head 301, which then contacts the counting trigger block 202 to complete the counting. When the test is unqualified, the electromagnet 302 remains energized, adsorbing the magnetic contact head 301 and blocking the counting trigger. This closed-loop control of "test result - counting state - release signal" replaces the traditional manual judgment and sorting mode, avoiding human error or missed detection, and improving the accuracy and consistency of the test.
[0033] The intermittent rotation structure driven by rotary motor 13, in coordination with the multi-station loading components, achieves continuous and efficient testing processes. The loading components sequentially pass through different testing boxes and auxiliary testing components, allowing a single sensor to complete multiple testing items in a single rotation cycle without repeated clamping and transfer. Simultaneously, the partitioned setup of qualified and unqualified unloading robots, combined with the control logic of the air pump 201's release signal based on the counter value: release at the qualified station when the count value meets the standard, and release at the unqualified station after recounting via reset trigger block 31 when the count value fails. This forms a fully automated testing production line of "loading - multi-item testing - automatic sorting - cyclic loading." This solves the problems of dispersed processes and long waiting times caused by traditional multi-equipment step-by-step testing, significantly improving testing efficiency. Furthermore, a single device can simultaneously handle parallel testing of multiple sensors, significantly reducing unit testing costs and site area requirements.
[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0035] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An automated electrical safety testing device for a medical pressure sensor, comprising a base (10) and a mounting ring (11), wherein a rotary motor (13) is fixed inside the base (10), and a turntable (12) is rotatably mounted thereon; and the mounting ring (11) is fixedly mounted on the base (10) via a connecting leaf, characterized in that: The base (10) has several loading components movably arranged inside, and at least two auxiliary detection components are fixed on the outer periphery of the base (10). At least one detection box is detachably arranged on the base (10). The loading assembly includes a rotating rod (20) and a loading seat (21), wherein the rotating rod (20) is fixedly mounted on the turntable (12), and the loading seat (21) is fixedly mounted on the rotating rod (20). The loading seat (21) is provided with a loading slot for placing the sensor. An air pump (201) is provided inside the rotating rod (20), and the air pump (201) is connected to the bottom of the loading slot through a pipe for negative pressure adsorption to fix the sensor. The auxiliary detection component includes a detection trigger block (30) and a reset trigger block (31), wherein the total number of detection trigger blocks (30) is less than the number of the loading components.
2. The automated electrical safety testing equipment for medical pressure sensors according to claim 1, characterized in that: The loading seat (21) is also provided with two sets of clamping electric cylinders (211) and clamping card seats (212). The clamping card seats (212) are fixedly connected to the telescopic rods of the clamping electric cylinders (211). The two sets of clamping electric cylinders (211) and clamping card seats (212) are located on both sides of the loading groove. The side end face of the clamping card seats (212) is provided with a socket, which is adapted to the wire interface of the sensor.
3. The automated electrical safety testing equipment for medical pressure sensors according to claim 2, characterized in that: A counting trigger block (202) is provided on the side of the rotating rod (20) away from the turntable (12). The counting trigger block (202) is electrically connected to the air pump (201), and the clamping seat (212) is connected to an external power source or an integrated power source in the base (10) to transmit power.
4. The automated electrical safety testing equipment for medical pressure sensors according to claim 3, characterized in that: The counting trigger block (202) is equipped with a counter, which counts once each time it comes into contact with the counting trigger block (202).
5. The automated electrical safety testing equipment for medical pressure sensors according to claim 1, characterized in that: A magnetic contact head (301) is slidably disposed inside the detection trigger block (30). One end of the magnetic contact head (301) is installed inside the detection trigger block (30) by a spring. An electromagnet (302) is also installed inside the detection trigger block (30). The electromagnet (302) corresponds to the magnetic contact head (301) and is connected to an external power source or detection box.
6. The automated electrical safety testing equipment for medical pressure sensors according to claim 1, characterized in that: The number of rotating rods (20) is three more than the number of detection trigger blocks (30). These three rotating rods (20) are located on the same side and are arranged adjacent to each other. The positions of these three rotating rods (20) are the working positions of three external robots. The three robots are a loading robot, a qualified unloading robot, and an unqualified unloading robot. The unqualified unloading robot is located between the loading robot and the qualified unloading robot.
7. The automated electrical safety testing equipment for medical pressure sensors according to claim 6, characterized in that: The reset trigger block (31) is located between the qualified unloading robot and the unqualified unloading robot, and has at least two reset contact heads (311) inside. The number of reset contact heads (311) is the same as the number of detection trigger blocks (30).
8. The automated electrical safety testing equipment for medical pressure sensors according to claim 1, characterized in that: At least two housing mounting slots (101) are provided on the base (10) and the mounting ring (11). The housing mounting slots (101) are correspondingly set with the detection trigger block (30), and the detection box is installed in the housing mounting slots (101).
9. The automated electrical safety testing equipment for medical pressure sensors according to claim 8, characterized in that: The testing box includes at least three types: a first testing box (40), a second testing box (41), and a third testing box (42). The first testing box (40) includes a first connecting foot (401) and a pressure rod (402). The first connecting foot (401) is fixedly installed on the base (10) and the mounting ring (11). An electric cylinder is provided inside the first testing box (40). The pressure rod (402) is installed on the electric cylinder inside the first testing box (40) to provide pressure. The third detection box (42) includes a second connecting foot (421) and a sealing cover (422). The second connecting foot (421) is fixedly installed on the base (10) and the mounting ring (11). An electric cylinder is also provided inside the third detection box (42). The sealing cover (422) is installed on the electric cylinder inside the third detection box (42), so that the sealing cover (422) can slide up and down. A heating element and a monitoring element are provided inside the sealing cover (422).
10. A method of using an automated electrical safety testing device for medical pressure sensors according to any one of claims 1-9, characterized in that: Includes the following steps: S1: Install the corresponding testing box according to customer needs or different pressure sensor testing standards to provide the corresponding environment for sensor testing; S2: The loading robot adsorbs the pressure sensor on the loading seat (21) near the detection trigger block (30), so that the sensor enters the loading slot. The air pump (201) here is started, so that the bottom of the sensor is in a negative pressure state, which can adsorb the sensor and complete the initial loading. At this time, the sensor's wiring port is located at the clamping electric cylinder (211). S3: The clamping cylinder (211) is started, which drives the clamping brackets (212) on both sides to clamp the sensor to the side. The clamping bracket (212) on the side of the sensor terminal is inserted into the terminal to activate the sensor and provide it with power. At this time, the loading is completed. S4: The loading assembly is rotated intermittently at a fixed angle by a rotary motor (13); S5: When the sensor mounting base (21) rotates to the detection trigger block (30), if the corresponding detection box is not installed at the current detection trigger block (30), the electromagnet (302) is not energized, and the magnetic contact head (301) contacts the current counting trigger block (202), causing the counting trigger block (202) to count once; if the corresponding detection box is installed at the current detection trigger block (30), the electromagnet (302) is connected to the detection box to energize and transmit signals, causing the electromagnet (302) to attract the magnetic contact head (301). The spring is compressed, and when the rotating rod (20) rotates to this position, the counting trigger block (202) does not contact the magnetic contact head (301). After the test is completed, the test box transmits a signal to the electromagnet (302) according to the test result. If the test is passed, the electromagnet (302) is disconnected, so that the magnetic contact head (301) is reset and contacts the counting trigger block (202), so that the counter counts once. If the test is not passed, the electromagnet (302) is kept energized, and the magnetic contact head (301) remains in the attracted state and does not contact the counting trigger block (202). S6: When the loading seat (21) carrying the sensor rotates to the last detection trigger block (30) and the detection is completed, if the count value of the counter of the counting trigger block (202) is consistent with the number of detection trigger blocks (30), it means that the sensor on the current loading seat (21) is qualified for detection and the count of the counting trigger block (202) reaches the requirement. The signal is sent to disconnect the air pump (201) to release the sensor. At the same time, the clamping electric cylinder (211) is started to open the clamping seat (212). When the loading seat (21) rotates to the qualified unloading robot, the sensor can be removed by the qualified unloading robot. If any one or more detections fail, the counter value will be less than the number of detection trigger blocks (30). At this time, the count of the counting trigger block (202) will not meet the requirements and will not be able to send a signal. The sensor will still be fixed. When the loading seat (21) rotates to the qualified unloading robot, the qualified unloading robot will not be able to remove the sensor. At this time, the loading seat (21) will continue to rotate. When it passes the reset trigger block (31), it will contact the reset contact head (311) in sequence, so that the count of the counting trigger block (202) is greater than or equal to the number of detection trigger blocks (30). Then the air pump (201) can be controlled to disconnect, the sensor will be released, and then it will move to the unqualified unloading robot and be removed by the unqualified unloading robot. S7: After the sensor is removed by the unloading robot, the rotating rod (20) continues to rotate to the loading robot. At this time, the steps of S2 can be repeated in this way to perform automated continuous detection.