CN212932869U - Microswitch reliability testing equipment - Google Patents
Microswitch reliability testing equipment Download PDFInfo
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- CN212932869U CN212932869U CN202021269194.2U CN202021269194U CN212932869U CN 212932869 U CN212932869 U CN 212932869U CN 202021269194 U CN202021269194 U CN 202021269194U CN 212932869 U CN212932869 U CN 212932869U
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- microswitch
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Abstract
The utility model discloses a micro-gap switch reliability test equipment for test micro-gap switch, press the mechanism including frame, mounting fixture and a plurality of, mounting fixture connects in the frame, mounting fixture is used for fixed micro-gap switch, be connected with the mounting panel in the frame, it connects to press the mechanism on the mounting panel, press the mechanism and be used for carrying out reciprocating motion, reciprocating motion fixes the location at every turn micro-gap switch's among the mounting fixture action reed is carried out once and is pressed the action to make micro-gap switch carry out once and switch on the action. The utility model discloses a touch and press the mechanism and carry out the touch that relapses to micro-gap switch's action reed and press, realize relapseing the break-make action test to the micro-gap switch of different shape structures to help solving the problem of high-efficient test micro-gap switch ageing life-span.
Description
Technical Field
The utility model relates to a micro-gap switch test equipment field, concretely relates to micro-gap switch reliability test equipment.
Background
The microswitch is a switch which has a minute contact interval and a quick action mechanism, performs a switching action by a specified stroke and a specified force, is covered by a shell, and has a driving rod outside. The traditional microswitch service life test is generally completed manually or by means of some auxiliary equipment, the operation is inconvenient, the efficiency is lower, certain potential safety hazards exist, and the automation of the microswitch service life test is more and more important along with more and more expensive manpower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a micro-gap switch reliability test equipment aims at solving the problem of how high-efficient test micro-gap switch ageing life-span.
In order to achieve the purpose, the utility model provides a following technical scheme:
a microswitch reliability test device is used for testing a microswitch and comprises a rack, a fixed clamp and a plurality of contact pressure mechanisms;
the fixing clamp is connected to the rack and used for fixing the microswitch;
the rack is connected with a mounting plate, the touch mechanism is connected to the mounting plate and used for performing reciprocating motion, and each reciprocating motion performs one touch action on an action reed of a microswitch positioned and fixed in the fixed clamp so as to enable the microswitch to perform one conduction action;
touch and press mechanism and include adjustable stroke cylinder and telescopic machanism, adjustable stroke cylinder is connected on the mounting panel, adjustable stroke cylinder with telescopic machanism connects, telescopic machanism includes telescopic link, telescopic link sleeve and presses the button, telescopic link sleeve overlaps and establishes on the telescopic link, the inside spring that is equipped with of telescopic link, press the button to connect the tip of telescopic link, be used for fixing the location according to the button the micro-gap switch's among the mounting fixture action reed is carried out and is touched and press the action to make micro-gap switch carry out the action of switching on.
Furthermore, the fixing clamp comprises a first positioning mechanism and a plurality of second positioning mechanisms, and the second positioning mechanisms are movably connected to the first positioning mechanism.
Further, first positioning mechanism includes backplate, layer board and bottom plate, the backplate pass through the bottom plate with the layer board is connected, form the accommodation space between backplate, layer board and the bottom plate, second positioning mechanism includes handle, briquetting and screw rod, the handle with the briquetting passes through the screw rod is connected, the screw rod with layer board threaded connection, the screw rod both sides are equipped with the guide arm, the one end of guide arm with the briquetting is connected, the other end of guide arm with the layer board is connected and is stretched out the layer board.
Further, the key head is an insulating key head.
Furthermore, a plurality of ampere meters are arranged on the rack and are electrically connected with the micro switch.
Further, the device also comprises a controller, wherein the controller is used for controlling the touch mechanism to repeatedly execute touch actions.
Further, the system also comprises an HMI which is connected with the controller.
Further, still include the alarm, the alarm with the controller is connected.
Further, the device also comprises a current load box which is electrically connected with the micro switch.
Further, a microswitch is electrically connected to the controller.
The utility model provides a micro-gap switch reliability test equipment compares and has following beneficial effect in prior art:
the utility model discloses a set up telescopic machanism in pressing the mechanism, because be provided with the spring among the telescopic machanism, make telescopic machanism's button head when pressing micro-gap switch's action reed, can control certain dynamics, have certain guard action to micro-gap switch, press among the prior art to construct and directly adopt the cylinder, during the test, when atmospheric pressure fluctuation is great, because the cylinder still presses original dynamics to press micro-gap switch's action reed, make the micro-gap switch atress great, make micro-gap switch damage in advance easily. Furthermore, the first positioning mechanism and the second positioning mechanism are arranged, so that pressing blocks in the second positioning mechanism can be abutted against the micro switches by adjusting the handles in the second positioning mechanism aiming at different micro switches, and the micro switches in different shapes and different sizes can be fixed. The utility model discloses a touch and press the mechanism and carry out the touch that relapses to micro-gap switch's action reed and press, realize relapseing the break-make action test to the micro-gap switch of different shape structures to help solving the problem of high-efficient test micro-gap switch ageing life-span. The utility model discloses can test a plurality of micro-gap switches simultaneously.
Drawings
Fig. 1 is a schematic structural view of a microswitch reliability testing device of the present invention;
fig. 2 is a schematic view of a partial structure in a microswitch reliability testing device of the present invention;
FIG. 3 is a schematic structural view of the middle telescopic mechanism of the present invention;
fig. 4 is a schematic structural view of the middle fixing clamp of the present invention.
[ description of reference ]
1-frame, 11-ammeter, 2-fixed clamp, 21-first positioning mechanism, 211-back plate, 212-supporting plate, 213-bottom plate, 214-clamping plate, 22-second positioning mechanism, 221-handle, 222-pressing block, 223-screw, 224-guide rod, 3-touch mechanism, 31-telescopic mechanism, 311-telescopic rod, 3111-spring, 312-telescopic rod sleeve, 313-key head, 32-stroke-adjustable cylinder, 4-HMI and 5-mounting plate.
Detailed Description
The present invention will be described in detail with reference to the following specific examples.
As shown in fig. 1-4, a microswitch reliability testing device is used for testing a microswitch, and comprises a rack 1, a fixing clamp 2 and a plurality of contact mechanisms 3, wherein the fixing clamp 2 is connected to the rack 1, the fixing clamp 2 is used for fixing the microswitch, the rack 1 is connected with a mounting plate 5, the contact mechanisms 3 are connected to the mounting plate 5, the contact mechanisms 3 are used for performing reciprocating motion, each reciprocating motion performs one contact motion on an action reed of the microswitch positioned and fixed in the fixing clamp 2, so that the microswitch performs one conduction motion, each contact mechanism 3 comprises an adjustable stroke cylinder 32 and a telescopic mechanism 31, the adjustable stroke cylinder 32 is connected to the mounting plate 5, the adjustable stroke cylinder 32 is connected with the telescopic mechanism 31, the telescopic mechanism 31 comprises a telescopic rod 311, a telescopic rod sleeve 312 and a key head 313, the telescopic rod sleeve 312 is sleeved on the telescopic rod 311, a spring 3111 is arranged inside the telescopic rod 311, the key head 313 is connected to the end portion of the telescopic rod 311, and the key head 313 is used for performing touch and press actions on an action reed of a micro switch fixed in the fixing clamp 2 in a positioning mode, so that the micro switch performs conduction actions. Because the spring 3111 is arranged in the telescopic mechanism 31, when the button head 313 of the telescopic mechanism 31 touches and presses the action reed of the micro switch, certain force can be controlled, and the micro switch is protected to a certain extent.
In this embodiment, the fixing jig 2 includes a first positioning mechanism 21 and a plurality of second positioning mechanisms 22, and the second positioning mechanisms 22 are movably connected to the first positioning mechanism 21.
In this embodiment, the first positioning mechanism 21 includes a back plate 211, a supporting plate 212 and a bottom plate 213, the back plate 211 is connected with the supporting plate 212 through the bottom plate 213, an accommodating space is formed between the back plate 211, the supporting plate 212 and the bottom plate 213, one side of the supporting plate 212 is connected with a clamping plate 214, the clamping plate 214 can reinforce the supporting plate 212 and further reinforce the fixing clamp 2, the second positioning mechanism 22 includes a handle 221, a pressing block 222 and a screw rod 223, the screw rod 223 is in threaded connection with the supporting plate 212 or the clamping plate 214, the handle 221 is connected with the pressing block 222 through the screw rod 223, guide rods 224 are arranged on two sides of the screw rod 223, one end of each guide rod 224 is connected with the pressing block.
In practical application, micro-gap switch has different shape structure and different model sizes, carries out the break-make action life-span test to the micro-gap switch of different shape structure and different model sizes in order to adapt to, the utility model discloses a set up first positioning mechanism 21 and second positioning mechanism 22, adjust the distance of briquetting 222 and backplate 211 through handle 221 in the second positioning mechanism 22, come to fix the micro-gap switch of different shape structure and different model sizes, satisfy different micro-gap switch's break-make action life-span test demand, and then help promoting micro-gap switch's supplied materials quality management and control, help the front end of target application product to be closed, reduce the after sale fault rate of target application product. Specifically, an accommodating space is formed among the back plate 211, the supporting plate 212 and the bottom plate 213 for accommodating the micro switch, the pressing block 222 is abutted against the micro switch through the adjusting handle 221 so as to be fixed, and the action reed of the micro switch faces upwards to the touch and press mechanism 3, so that the touch and press mechanism 3 can touch and press the action reed.
In this embodiment, the key head 313 is an insulating key head, and the insulating key head may be made of a nylon material or a plastic material, so as to prevent the micro switch and the touch mechanism 3 from being powered on.
In this embodiment, the rack 1 is provided with a plurality of ammeters 11, and the ammeters 11 are used for being electrically connected with the micro switch. The utility model discloses can test a plurality of micro-gap switches simultaneously, every touches and presses mechanism and second positioning mechanism 22 formation station, has a plurality of stations, and ampere meter 11 and station one-to-one can show the electric current volume when micro-gap switch is pushed down.
In this embodiment, the device further comprises a controller, the controller is used for controlling the touch mechanism to repeatedly execute the touch action, and the controller is arranged inside the rack 1.
The controller is used for controlling the touch mechanism 3 to repeatedly execute touch actions. In a specific application, taking a controller with a human-computer interaction function in the related art as an example, the controller has a setting key and a display screen, so that a user can perform related settings for controlling the touch mechanism 3. For example, the controller is arranged to send a driving signal to the touch mechanism 3 for 0-99999 times, and the touch mechanism 3 is controlled to perform touch actions for 0-99999 times on the action reed of the microswitch. In practical application, the position relationship between the pressing mechanism 3 and the fixing clamp 2 needs to be preset, so that the pressing mechanism 3 can perform the pressing action on the action reed of the micro switch, and the micro switch can perform the conducting action. After completing the pressing actions of 0-99999 times, a user can take down the micro switch, connect the micro switch in a prepared test circuit, confirm whether the test circuit is conducted or not through manually pressing the action reed of the micro switch, for example, a test circuit is formed by a power supply and an indicator lamp, the micro switch is connected into the test circuit, the micro switch and the power supply and the indicator lamp form a series circuit, the action reed of the micro switch is manually pressed, whether the indicator lamp is lightened or not is confirmed, if the indicator lamp is lightened, the on-off action life test of the micro switch is qualified, otherwise, the on-off action life test of the micro switch is unqualified.
In the embodiment, the system further comprises an HMI4, wherein the HMI is connected with the controller, the HMI is an abbreviation of Human Machine Interface, and Chinese is as follows: human-machine interface, also called human-machine interface. In a specific application, human-computer interaction operation can be performed through the HMI, for example, a user can start test operation, suspend test operation and the like through a virtual key on the HMI interface, and for example, the user can set the target times of the on-off action life test of the micro switch on the HMI.
In this embodiment, the device further comprises an alarm (not shown in the figure), and the alarm is connected with the controller. The current working state can be indicated through an alarm, for example, when the test is completed, an alarm prompt can be performed, for example, when a fault occurs, the alarm prompt can be performed, and the like.
In this embodiment, still include the current load case (not shown in the figure), the current load case is connected with the micro-gap switch electricity, through setting up the current load case, can simulate load current and pressure and carry out the load test to micro-gap switch, can shorten the time of test, improves efficiency of software testing.
In this embodiment, the microswitch is electrically connected to the controller. In specific application, the controller is provided with a signal end interface, the microswitch is connected with the signal end interface of the controller, when the microswitch is closed and conducted, the signal end interface receives a conducting signal, the received conducting signal shows that no problem exists in current testing of the microswitch, and the controller can form a historical record of normal testing in the HMI every time the conducting signal is received.
In practical application, after a user sets the test times, the microswitch reliability test equipment operates according to the set test times, and after the test times are reached, the microswitch reliability test equipment stops operating. For example, a user sets a driving signal for ten thousand times to be sent to the touch mechanism 3 in the controller, the touch mechanism 3 is controlled to perform ten thousand touch actions on an action reed of the microswitch, and after ten thousand touch actions are completed, the microswitch reliability testing equipment stops running. And after ten thousand repeated on-off action tests are completed, the microswitch reliability test equipment is supposed to operate ten thousand touch and press actions under the condition that the microswitch is qualified. And for the condition that the microswitch is unqualified after ten thousand repeated on-off action tests are finished, the microswitch reliability test equipment runs ten thousand contact actions to form waste, so that the test efficiency is reduced.
The utility model discloses the innovation that makes mainly relates to the position overall arrangement relation of this kind of micro-gap switch reliability test equipment's mechanical structure basis and each part, and to the selection type of the controller that mentions and each electric part, the signal exchange between the electric part with how to control each electric part, there are multiple mode to realize above-mentioned function among the prior art, based on the utility model discloses a theory of operation, the skilled person in the art is familiar with how to realize above-mentioned function, consequently no longer the utility model discloses well detailed description.
In the present application, when directional terms are used, they are used for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the invention in any way.
In the present invention, unless otherwise expressly specified or limited, when terms such as "disposed on," "connected to," or "connected to" are present, these terms are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise specified and limited, when the first feature is present as "upper" and "lower" of the second feature, it may include that the first feature is in direct contact with the second feature, and it may also include that the first feature is in contact with the second feature not in direct contact but through another feature therebetween. Moreover, the first feature being "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely an elevation at which the first feature is higher than the elevation of the second feature; a first feature may be "below" a second feature, including a first feature that is directly below and obliquely below the second feature, or may simply be an indication that the first feature is at a lower elevation than the second feature.
The features of the embodiments and embodiments described above may be combined with each other without conflict.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A microswitch reliability test device is used for testing a microswitch and is characterized by comprising a rack, a fixed clamp and a plurality of contact pressure mechanisms;
the fixing clamp is connected to the rack and used for fixing the microswitch;
the rack is connected with a mounting plate, the touch mechanism is connected to the mounting plate and used for performing reciprocating motion, and each reciprocating motion performs one touch action on an action reed of a microswitch positioned and fixed in the fixed clamp so as to enable the microswitch to perform one conduction action;
touch and press mechanism and include adjustable stroke cylinder and telescopic machanism, adjustable stroke cylinder is connected on the mounting panel, adjustable stroke cylinder with telescopic machanism connects, telescopic machanism includes telescopic link, telescopic link sleeve and presses the button, telescopic link sleeve overlaps and establishes on the telescopic link, the inside spring that is equipped with of telescopic link, press the button to connect the tip of telescopic link, be used for fixing the location according to the button the micro-gap switch's among the mounting fixture action reed is carried out and is touched and press the action to make micro-gap switch carry out the action of switching on.
2. The microswitch reliability testing device of claim 1, wherein the fixture includes a first positioning mechanism and a plurality of second positioning mechanisms, the second positioning mechanisms being movably coupled to the first positioning mechanism.
3. The microswitch reliability testing equipment of claim 2, wherein the first positioning mechanism comprises a back plate, a supporting plate and a bottom plate, the back plate is connected with the supporting plate through the bottom plate, an accommodating space is formed among the back plate, the supporting plate and the bottom plate, the second positioning mechanism comprises a handle, a pressing block and a screw rod, the handle is connected with the pressing block through the screw rod, the screw rod is in threaded connection with the supporting plate, guide rods are arranged on two sides of the screw rod, one end of each guide rod is connected with the pressing block, and the other end of each guide rod is connected with the supporting plate and extends out of the supporting plate.
4. The microswitch reliability testing device of claim 1, wherein the key head is an insulated key head.
5. The microswitch reliability testing device of claim 1, wherein a plurality of ammeters are disposed on the rack, the ammeters being configured to electrically connect with the microswitch.
6. The microswitch reliability testing device of claim 1, further comprising a controller for controlling the touch mechanism to repeatedly perform a touch action.
7. The microswitch reliability testing device of claim 6, further comprising an HMI, the HMI coupled with the controller.
8. The microswitch reliability testing device of claim 6, further comprising an alarm connected to the controller.
9. The microswitch reliability testing device of claim 1, further comprising a current load box electrically connected to the microswitch.
10. The microswitch reliability testing device of any one of claims 1-9, wherein the microswitch is in electrical connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021269194.2U CN212932869U (en) | 2020-07-02 | 2020-07-02 | Microswitch reliability testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021269194.2U CN212932869U (en) | 2020-07-02 | 2020-07-02 | Microswitch reliability testing equipment |
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| CN212932869U true CN212932869U (en) | 2021-04-09 |
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| CN202021269194.2U Active CN212932869U (en) | 2020-07-02 | 2020-07-02 | Microswitch reliability testing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447807A (en) * | 2021-07-02 | 2021-09-28 | 东阳市联宜机电有限公司 | Microswitch service life detection device and detection method |
| CN115291098A (en) * | 2022-08-10 | 2022-11-04 | 哈尔滨工业大学 | Microswitch electric service life experiment system and method |
-
2020
- 2020-07-02 CN CN202021269194.2U patent/CN212932869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447807A (en) * | 2021-07-02 | 2021-09-28 | 东阳市联宜机电有限公司 | Microswitch service life detection device and detection method |
| CN115291098A (en) * | 2022-08-10 | 2022-11-04 | 哈尔滨工业大学 | Microswitch electric service life experiment system and method |
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