CN114187737B - Connector service life monitoring guide counting device, monitoring system and monitoring method - Google Patents
Connector service life monitoring guide counting device, monitoring system and monitoring method Download PDFInfo
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- CN114187737B CN114187737B CN202010967876.9A CN202010967876A CN114187737B CN 114187737 B CN114187737 B CN 114187737B CN 202010967876 A CN202010967876 A CN 202010967876A CN 114187737 B CN114187737 B CN 114187737B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/04—Design features of general application for driving the stage of lowest order
- G06M1/06—Design features of general application for driving the stage of lowest order producing continuous revolution of the stage, e.g. with gear train
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- Engineering & Computer Science (AREA)
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a connector life monitoring guide counting device, and simultaneously relates to a connector life monitoring system and a connector life monitoring method, belonging to the technical field of connector life monitoring in electronic products. The connector life monitoring, guiding and counting device comprises a device shell, a stirring gear, a driven gear, a counting gear, a reset spring, a guide sleeve, a guide needle and an alarm switch. The invention can be implemented under the condition that the board card is not electrified, the number of times of connector plugging is recorded through the guide counting device, and the high-low state of the GPIO pin in the circuit is detected through the software system of the main control unit to achieve the purpose of alarming.
Description
Technical Field
The invention relates to a connector life monitoring guide counting device, and simultaneously relates to a connector life monitoring system and a connector life monitoring method, belonging to the technical field of connector life monitoring in electronic products.
Background
Connectors are used in rack-mounted network communication devices as main board card interconnection devices, wherein the connectors are core components formed by the whole device, and the stability and reliability of the connectors are also key for ensuring the reliability of the whole system device, especially for high-speed connectors in rack-mounted high-end communication devices.
The connector is composed of gold-plated signal pins, the service life of the connector, particularly the plugging and unplugging of the high-speed connector above 10G, is more limited clearly, particularly the gold-plated layer of the connector signal pins can be worn differently along with the increasing of the plugging and unplugging times in the long-term plugging and unplugging use process of a rack type equipment board card, the reliability of the connector connection is reduced along with the increasing of the plugging and unplugging times, and the board card has great potential reliability hazards (or affects ports to have CRC or ports down) in the actual use process, so that the reliability of the whole communication equipment system is affected.
There is currently no good means to monitor management for connector life usage limitations. The existing method needs to rely on the electrification of the board card to record the plugging times, and if the board card is in the electroless condition, the plugging times cannot be effectively recorded. The method for recording the card in a charged mode is unreliable, and the number of plugging times when the card is not charged cannot be recorded.
Disclosure of Invention
The first technical problem to be solved by the invention is as follows: the connector life monitoring guide counting device can monitor the number of times of connector plugging and unplugging under the condition that the board card is not powered.
The technical scheme adopted by the invention for solving the technical problems is as follows: the connector life monitoring, guiding and counting device comprises a device shell, a stirring gear, a driven gear, a counting gear, a reset spring, a guide sleeve and a guide needle, wherein the guide sleeve is fixedly arranged on the device shell, the guide needle is inserted into a through hole on the guide sleeve, and the guide needle can reciprocate along the axis of the through hole of the guide sleeve; the stirring gear, the driven gear and the counting gears are all rotatably arranged on the device shell, one or more counting gears are arranged, and when the number of the counting gears is multiple, two adjacent counting gears are in transmission connection through the driven gear; one counting gear positioned at the forefront is set as a primary counting gear, and the primary counting gear is in transmission connection with the stirring gear through a primary driven gear; the outer peripheral surface of the poking gear is provided with a driving block which is arranged in a protruding way, the outer peripheral surface of the poking gear is also provided with ratchets, the outer peripheral surface of the primary driven gear is provided with a plurality of driven teeth which are uniformly distributed at intervals, the ratchets are matched with the driven teeth on the primary driven gear to form a one-way driving structure, and the poking gear is provided with a reset spring; when the return spring is in an initial state, the ratchet is in a disengaged state with the teeth on the primary driven gear; the matching relation between the guide needle and the toggle gear is designed as follows: the end part of the guide needle can push the driving block to drive the toggle gear to rotate through the axial movement of the guide needle, and then the primary driven gear is driven to rotate through the ratchet.
Further is: the number of driven teeth matched with the ratchet teeth arranged on the primary driven gear is ten; the primary counting gear is meshed with the primary driven gear, and the transmission ratio of the two is set to be 1:1; for two adjacent counting gears, one counting gear with a transmission relation closer to the stirring gear is set as an N-level counting gear, the other counting gear is set as an N+1-level counting gear, and a driven gear between the N-level counting gear and the N+1-level counting gear is set as an N+1-level driven gear; the N-level counting gear is meshed with the N+1-level driven gear, and the transmission ratio of the N-level counting gear to the N-level driven gear is set to be 10:1; the N+1-stage driven gear is meshed with the N+1-stage counting gear, and the transmission ratio of the N+1-stage driven gear to the N+1-stage counting gear is set to be 1:1.
Further is: one end of the reset spring is connected with the driving block, and the other end is connected with the guide sleeve.
Further is: the device shell comprises a bottom plate which is horizontally arranged, and the axis of the guide needle is parallel to the bottom plate.
Further is: the device shell is provided with a first installation shaft which is fixedly arranged and a second installation shaft which is fixedly arranged, the stirring gear and the counting gear are rotationally connected and arranged on the first installation shaft, and the driven gear is rotationally connected and arranged on the second installation shaft.
Further is: the device shell is fixedly provided with an alarm switch, one counting gear positioned at the tail end of the transmission relation is set as an alarm driving wheel, the peripheral surface of the alarm driving wheel is provided with a driving piece which is arranged in a protruding way, and the matching relation between the alarm switch and the alarm driving wheel is designed as follows: the alarm switch is in an opening state initially, and when the alarm driving wheel rotates for a set stroke, the driving piece can toggle the alarm switch to enter a closing state.
On the basis of the connector service life monitoring guide counting device, the invention also provides a connector service life monitoring system, and the automatic monitoring of the connector service life is realized under the condition that the board card is not powered. The specific scheme is as follows: the invention comprises the connector life monitoring guiding counting device, and also comprises a first board card, a second board card and a main control unit, wherein a plug-in connector for connecting the first board card and the second board card is arranged between the first board card and the second board card, the first board card is fixedly connected with a guiding needle, the second board card is fixedly connected with a device shell, the axis direction of the guiding needle is consistent with the plug-in direction of the board card, and an alarm switch is electrically connected with the main control unit.
On the basis of the connector service life monitoring system, the invention also provides a connector service life monitoring method, and the automatic monitoring of the connector service life is realized under the condition that the board card is not powered. The specific scheme is as follows: the rotation stroke of the alarming driving wheel is designed according to the preset board card plugging times, when the board card plugging times reach the set value, the driving piece on the alarming driving wheel toggles the alarming switch to enter a closed state, and the main control unit sends out an alarming signal. Specifically, the software system of the main control unit detects the high and low states of the GPIO pins in the circuit to achieve the purpose of alarming.
The beneficial effects of the invention are as follows: the guide sleeve and the guide pin are used for interconnecting the boards and the cards, so that the guide accuracy of the connector plug can be ensured. When the board card is inserted, the guide pin overcomes the spring force and then drives the toggle gear to rotate, and then drives the one-level driven gear to rotate by a distance of one tooth, when the board card is pulled out, under the action of the reset spring force of the reset spring, the toggle gear resets to an initial state, when the board card is inserted for the second time, the one-level driven gear is driven again to rotate by a distance of one tooth, and the plugging times of the board card can be indirectly obtained by detecting the rotation data of the one-level driven gear. According to the design principle of the speed reducer, the driven gear and the counting gear form a multi-stage transmission gear, and the last-stage gear rotates one circle after the first-stage gear rotates N circles. According to the connector life monitoring method, the connector life can be automatically monitored after the connector life monitoring method is implemented by matching with the alarm switch and the main control unit. In summary, the invention can be implemented under the condition that the board card is not electrified, the number of times of connector plugging is recorded through the guide counting device, and the software system of the main control unit detects the high-low state of the GPIO pin in the circuit to achieve the purpose of alarming. The invention has positive significance and wide application value in network communication products with connectors.
Drawings
FIG. 1 is a schematic diagram of a connector life monitoring and guiding counting device in the present invention;
FIG. 2 is a schematic view of a connector life monitoring guide counting device according to the present invention at another view angle;
FIG. 3 is a schematic diagram of a card in the present invention;
FIG. 4 is a schematic view of the structure of the connector life monitoring guide counting device of the present invention in an application implementation;
FIG. 5 is a schematic diagram of the operation of the connector life monitoring system of the present invention;
The marks in the figure: 1-stirring gear, 101-driving block, 102-ratchet, 2-primary counting gear, 3-secondary counting gear, 4-primary driven gear, 5-secondary driven gear, 6-reset spring, 7-guide sleeve, 8-guide needle, 9-device shell, 901-bottom plate, 902-installation axle I, 903-installation axle II, 10-alarm switch, 11-driving piece, 12-integrated circuit board I, 13-integrated circuit board II.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the connector life monitoring, guiding and counting device in the invention comprises a device shell 9, a stirring gear 1, a driven gear, a counting gear, a reset spring 6, a guiding sleeve 7 and a guiding needle 8, wherein the guiding sleeve 7 is fixedly arranged on the device shell 9, the guiding needle 8 is inserted into a through hole on the guiding sleeve 7, and the guiding needle 8 can reciprocate along the axis of the through hole of the guiding sleeve 7; the toggle gear 1, the driven gear and the counting gears are all rotatably arranged on the device shell 9, one or more counting gears are arranged, and when the number of the counting gears is multiple, two adjacent counting gears are in transmission connection through the driven gear; one counting gear positioned at the forefront is set as a primary counting gear 2, and the primary counting gear 2 is in transmission connection with the stirring gear 1 through a primary driven gear 4; the outer peripheral surface of the toggle gear 1 is provided with a driving block 101 which is arranged in a protruding way, the outer peripheral surface of the toggle gear 1 is also provided with a ratchet 102, the outer peripheral surface of the primary driven gear 4 is provided with a plurality of driven teeth which are uniformly distributed at intervals, the ratchet 102 is matched with the driven teeth on the primary driven gear 4 to form a one-way driving structure, and the toggle gear 1 is provided with a reset spring 6; when the return spring 6 is in the initial state, the ratchet 102 is in a disengaged state with the teeth on the primary driven gear 4; the matching relation between the guide needle 8 and the toggle gear 1 is designed as follows: the end part of the guide needle 8 can push the driving block 101 to drive the toggle gear 1 to rotate through the axial movement of the guide needle 8, and then the primary driven gear 4 is driven to rotate through the ratchet 102. When the board is inserted once, the guide pin 8 on the board triggers the toggle gear 1 to rotate, and then drives the first-stage driven gear 4 to rotate one grid, when the board is pulled out, under the action of the reset elastic force of the reset spring 6, the toggle gear 1 is reset to the initial state, when the board is inserted for the second time, the first-stage driven gear 4 is driven to rotate one grid again, so that the board is repeatedly plugged, when the first-stage driven gear 4 rotates one circle, the gear of the next stage is triggered to rotate one grid, according to the design principle of the speed reducer, the counting gear of the last stage can rotate one circle when the driven gear 4 rotates N circles.
The driven gear and the counting gear form a multi-stage transmission gear, the transmission ratio between the gears can be reasonably designed according to actual conditions, and in order to obtain the plugging times of the board card more intuitively, the invention is preferably designed in the following way: the number of driven teeth matched with the ratchet 102 arranged on the primary driven gear 4 is ten; the primary counting gear 2 is meshed with the primary driven gear 4, and the transmission ratio of the primary counting gear and the primary driven gear is set to be 1:1; for two adjacent counting gears, one counting gear with a transmission relation closer to the stirring gear 1 is set as an N-level counting gear, the other counting gear is set as an N+1-level counting gear, and a driven gear between the N-level counting gear and the N+1-level counting gear is set as an N+1-level driven gear; the N-level counting gear is meshed with the N+1-level driven gear, and the transmission ratio of the N-level counting gear to the N-level driven gear is set to be 10:1; the N+1-stage driven gear is meshed with the N+1-stage counting gear, and the transmission ratio of the N+1-stage driven gear to the N+1-stage counting gear is set to be 1:1. After the structural design is adopted, when the board card is inserted once, the guide needle 8 on the board card triggers the toggle gear 1 to rotate, and the primary driven gear 4 rotates one lattice. After the board card is inserted ten times, the primary driven gear 4 rotates one circle. The transmission ratio of the primary counting gear 2 to the primary driven gear 4 is set to be 1:1, namely the primary driven gear 4 rotates one grid, and the primary counting gear 2 synchronously rotates one grid. The transmission ratio of the primary counting gear 2 to the secondary driven gear 5 is 10:1, namely, the primary counting gear 2 rotates for ten circles, and the secondary driven gear 5 rotates for one circle. In the present embodiment, the primary counter gear 2 has a single-tooth structure, and the number of teeth of the secondary driven gear 5 is ten.
The reset spring 6 has the function of resetting the toggle gear 1 to an initial state after the guide needle 8 is pulled out by the card driving guide needle. As long as the above requirements are met, the return spring 6 selects a suitable fixing fulcrum on the device housing 9 or the guide bush 7. In order to make the structure simple and reliable, the reset spring 6 in the invention is installed in the following way: one end of the return spring 6 is connected with the driving block 101, and the other end is connected with the guide sleeve 7.
For ease of installation and implementation, the device housing 9 comprises a horizontally arranged base plate 901, the axis of the guide pin 8 being parallel to the base plate 901. After the structure is adopted, other additional brackets are not needed, and the axial direction of the guide needle 8 is more conveniently ensured to be consistent with the inserting and pulling direction of the board card.
The stirring gear 1, the counting gear and the driven gear are all rotationally arranged, and can be respectively provided with rotating shafts which are independently arranged, and part of the gears can also share one rotating shaft, so that the structure is simple and reliable, and the structure mode adopted by the invention is as follows: the device housing 9 has a first fixed mounting shaft 902 and a second fixed mounting shaft 903, the toggle gear 1 and the counter gear are rotatably connected to the first mounting shaft 902, and the driven gear is rotatably connected to the second mounting shaft 903.
In order to realize the life monitoring of the connector, the invention fixedly sets an alarm switch 10 on a device shell 9, one counting gear positioned at the extreme end of a transmission relation is set as an alarm driving wheel, the peripheral surface of the alarm driving wheel is provided with a driving piece 11 which is arranged in a protruding way, and the matching relation between the alarm switch 10 and the alarm driving wheel is designed as follows: the alarm switch 10 is initially in an off state, and after the alarm driving wheel rotates for a set stroke, the driving piece 11 can toggle the alarm switch 10 to enter a closed state.
As shown in fig. 1 to 4, on the basis of the connector life monitoring guide counting device, the invention also provides a connector life monitoring system which can automatically monitor the connector life under the condition that the board card is in no electricity. The specific scheme is as follows: the connector life monitoring guiding counting device comprises the first board card 12, the second board card 13 and the main control unit, wherein a plug-in connector for connecting the first board card 12 and the second board card 13 is arranged between the first board card 12 and the second board card 13, the first board card 12 is fixedly connected with the guiding needle 8, the second board card 13 is fixedly connected with the device shell 9, the axis direction of the guiding needle 8 is consistent with the plug-in direction of the board card, and the alarming switch 10 is electrically connected with the main control unit.
Referring to fig. 1 to 5, on the basis of the connector life monitoring system, the invention also provides a connector life monitoring method, and the automatic monitoring of the connector life is realized under the condition that the board card is not powered. The specific scheme is as follows: the rotation stroke of the alarm driving wheel is designed according to the preset board card plugging times, when the board card plugging times reach the set value, the driving piece 11 on the alarm driving wheel toggles the alarm switch 10 to enter a closed state, and the main control unit sends out an alarm signal.
For ease of understanding, the operation will be further described with reference to the embodiments shown in fig. 1 to 5.
The invention can be implemented by the following steps:
step one: the number of times of inserting and extracting the board is recorded by the connector life monitoring guide counting device, the guide pin 8 is arranged on the first board 12, and the guide sleeve 7 and other structural components are arranged on the second board 13 through the device shell 9, as shown in fig. 4.
Step two: when the board card is inserted once, the guide needle 8 moves along the guide sleeve 7, the toggle gear 1 of the guide counting device is triggered to rotate, and the return spring 6 is passively stretched; the stirring gear 1 rotates to drive the primary driven gear 4 to rotate one lattice, and the primary driven gear 4 rotates to drive the primary counting gear 2 to rotate one lattice. When the board card is pulled out, the guide needle 8 withdraws along the guide sleeve 7, and the return spring 6 returns to a free state from a stretched state; the reset spring 6 drives the toggle gear 1 to reset to the initial position. After the insertion and extraction are completed once, the primary counter gear 2 rotates one lattice.
Step three: the board card is repeatedly inserted and pulled out, when the primary gear of the guide counting device rotates for a circle, namely, the meter is inserted and pulled out for dozens of times, the secondary driven gear 5 is triggered to rotate for one grid, and the secondary driven gear 5 drives the secondary counting gear 3 to rotate for one grid after rotating. According to the service life of the connector, when the secondary counting gear 3 rotates for one circle, the device can meet the service life monitoring of all connectors through the expansion of the stage number according to the principle. As shown in fig. 1 and 2.
Step four: when the counting gear rotates to the set times, the driving piece 11 on the counting gear of the last stage rotates to the position of the alarm switch 10, and the alarm switch 10 is toggled to enter a closed state, as shown in fig. 2.
Step five: in the board card hardware circuit design, the GPIO pin of the main control unit is connected to the alarm switch 10, and when the alarm switch 10 is closed, the main control unit detects that the GPIO pin is pulled down to be grounded.
Step six: when the main control unit detects that the GPIO pin is grounded, the service life of the connector is warned through the software system, and replacement and maintenance of the board card connector are prompted.
Claims (8)
1. Connector life monitoring direction counting assembly, including device casing (9), its characterized in that: the device also comprises a stirring gear (1), a driven gear, a counting gear, a reset spring (6), a guide sleeve (7) and a guide needle (8), wherein the guide sleeve (7) is fixedly arranged on the device shell (9), the guide needle (8) is inserted into a through hole on the guide sleeve (7), and the guide needle (8) can reciprocate along the axis of the through hole of the guide sleeve (7); the stirring gear (1), the driven gear and the counting gears are all rotatably arranged on the device shell (9), one or more counting gears are arranged, and when the number of the counting gears is multiple, two adjacent counting gears are in transmission connection through the driven gear; one counting gear positioned at the forefront of the transmission relation is set as a primary counting gear (2), and the primary counting gear (2) is in transmission connection with the stirring gear (1) through a primary driven gear (4);
The outer peripheral surface of the poking gear (1) is provided with a driving block (101) which is arranged in a protruding way, the outer peripheral surface of the poking gear (1) is also provided with a ratchet (102), the outer peripheral surface of the primary driven gear (4) is provided with a plurality of driven teeth which are uniformly distributed at intervals, the ratchet (102) is matched with the driven teeth on the primary driven gear (4) to form a unidirectional driving structure, and the poking gear (1) is provided with a reset spring (6); when the return spring (6) is in an initial state, the ratchet (102) is in a disengaged state with the teeth on the primary driven gear (4); the matching relation between the guide needle (8) and the toggle gear (1) is designed as follows: when guide pin (8) moves along the board card insertion direction, can make the tip of guide pin (8) overcome spring force promotion drive block (101) of reset spring (6) in order to drive and stir gear (1) rotation through guide pin (8), and then drive one-level driven gear (4) through ratchet (102) and rotate the distance of a tooth, when guide pin (8) moves along the board card direction of pulling out, under reset spring action of reset spring (6), stir gear (1) and can reset to initial condition.
2. The connector life monitoring guide counting device of claim 1, wherein: the number of driven teeth matched with the ratchet teeth (102) arranged on the primary driven gear (4) is ten; the primary counting gear (2) is meshed with the primary driven gear (4), and the transmission ratio of the primary counting gear to the primary driven gear is set to be 1:1; for two adjacent counting gears, one counting gear with a transmission relation closer to the stirring gear (1) is set as an N-level counting gear, the other counting gear is set as an N+1-level counting gear, and a driven gear between the N-level counting gear and the N+1-level counting gear is set as an N+1-level driven gear; the N-level counting gear is meshed with the N+1-level driven gear, and the transmission ratio of the N-level counting gear to the N-level driven gear is set to be 10:1; the N+1-stage driven gear is meshed with the N+1-stage counting gear, and the transmission ratio of the N+1-stage driven gear to the N+1-stage counting gear is set to be 1:1.
3. The connector life monitoring guide counting device of claim 1, wherein: one end of the return spring (6) is connected with the driving block (101), and the other end is connected with the guide sleeve (7).
4. The connector life monitoring guide counting device of claim 1, wherein: the device housing (9) comprises a horizontally arranged base plate (901), and the axis of the guide needle (8) is parallel to the base plate (901).
5. The connector life monitoring guide counting device of claim 1, wherein: the device shell (9) is provided with a first installation shaft (902) which is fixedly arranged and a second installation shaft (903) which is fixedly arranged, the toggle gear (1) and the counting gear are arranged on the first installation shaft (902) in a rotating connection mode, and the driven gear is arranged on the second installation shaft (903) in a rotating connection mode.
6. The connector life monitoring guide counting device according to any one of claims 1 to 5, wherein: an alarm switch (10) is fixedly arranged on the device shell (9), one counting gear positioned at the tail end of the transmission relation is set as an alarm driving wheel, the peripheral surface of the alarm driving wheel is provided with a driving piece (11) which is arranged in a protruding way, and the matching relation between the alarm switch (10) and the alarm driving wheel is designed as follows: the alarm switch (10) is in an open state initially, and after the alarm driving wheel rotates for a set stroke, the driving piece (11) can toggle the alarm switch (10) to enter a closed state.
7. Connector life monitoring system, including board one (12), board two (13) and master control unit, be provided with between board one (12) and the board two (13) and be used for the plug-in connector that connects two, its characterized in that: the connector life monitoring and guiding counting device according to claim 6 further comprises a first board card (12) fixedly connected with the guiding needle (8), a second board card (13) fixedly connected with the device shell (9), the axis direction of the guiding needle (8) is consistent with the plugging direction of the board card, and the alarm switch (10) is electrically connected with the main control unit.
8. The method for monitoring the service life of the connector is characterized by comprising the following steps of: with the connector life monitoring system according to claim 7, the rotation stroke of the alarm driving wheel is designed according to the preset board card plugging times, when the board card plugging times reach the set value, the driving piece (11) on the alarm driving wheel toggles the alarm switch (10) to enter a closed state, and the main control unit sends out an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010967876.9A CN114187737B (en) | 2020-09-15 | 2020-09-15 | Connector service life monitoring guide counting device, monitoring system and monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010967876.9A CN114187737B (en) | 2020-09-15 | 2020-09-15 | Connector service life monitoring guide counting device, monitoring system and monitoring method |
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| CN114187737B true CN114187737B (en) | 2024-09-06 |
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| CN110797720A (en) * | 2018-08-01 | 2020-02-14 | 上海汽车集团股份有限公司 | Automobile connector capable of displaying plugging times in real time and automobile wire harness system |
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| GB697257A (en) * | 1951-05-15 | 1953-09-16 | English Numbering Machines | Improvements in or relating to counting devices |
| US3286344A (en) * | 1965-03-01 | 1966-11-22 | Kearney & Trecker Corp | Machine tool with a tool changer |
| US4532415A (en) * | 1981-06-23 | 1985-07-30 | Mecom Standard Limited | Number wheel counters |
| US7124932B2 (en) * | 2004-02-25 | 2006-10-24 | Megadyne Medical Products, Inc. | Electrosurgical counter and lockout mechanism |
| JP6074831B2 (en) * | 2010-02-23 | 2017-02-08 | パナソニックＩｐマネジメント株式会社 | Connection structure between the plug and the retaining plug receptacle |
| RU2017105744A (en) * | 2014-07-22 | 2018-08-22 | Акшай ПАНЖАБИ | DOSE COUNTER |
| CN205942773U (en) * | 2016-06-30 | 2017-02-08 | 新疆特变电工自控设备有限公司 | Mechanical counter of code output |
| CN111180934A (en) * | 2020-01-04 | 2020-05-19 | 马鞍山辰慕芸智能科技发展有限公司 | Hidden plug-pull-free safety socket system with ratchet locking and popping |
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- 2020-09-15 CN CN202010967876.9A patent/CN114187737B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110797720A (en) * | 2018-08-01 | 2020-02-14 | 上海汽车集团股份有限公司 | Automobile connector capable of displaying plugging times in real time and automobile wire harness system |
| CN110786899A (en) * | 2019-12-05 | 2020-02-14 | 山东威瑞外科医用制品有限公司 | Device for limiting using times of disposable instrument and disposable machine |
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