CN204789935U - Roller type travel switch quality detector - Google Patents
Roller type travel switch quality detector Download PDFInfo
- Publication number
- CN204789935U CN204789935U CN201520531785.5U CN201520531785U CN204789935U CN 204789935 U CN204789935 U CN 204789935U CN 201520531785 U CN201520531785 U CN 201520531785U CN 204789935 U CN204789935 U CN 204789935U
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- Prior art keywords
- travel switch
- direct current
- type travel
- rolling wheel
- wheel type
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Abstract
The utility model discloses a roller type travel switch quality detector, including detecting power supply loop, direct current motor, direct current motor speed governing module and disc, the center of disc is provided with the through -hole, is provided with the spill spout that can hold the gyro wheel on the outer circumference of disc, direct current motor speed governing module includes microcontroller, direct current motor driver chip and input button, it includes power supply to detect power supply loop, ampere meter A1 has been met between power supply's forward transportation output and the negative output end in proper order, roller type travel switch and slide rheostat RL, it has voltmeter V1 to connect in parallel in roller type travel switch's a switch contact and the 2nd switch contact's both ends, two stiff ends of slide rheostat RL connect in parallel and have pulse counter J1, slide rheostat RL's slip end meets with the link of the 2nd switch contact and slide rheostat RL's a stiff end, the utility model relates to a novelty, simple structure, it is comprehensive to detect data, excellent in use effect, the practicality is strong.
Description
Technical field
The utility model belongs to detection technique field, is specifically related to a kind of rolling wheel type travel switch mass detecting instrument.
Background technology
Rolling wheel type travel switch due to its mechanical collision make its contact action to realize connect or disjunction control circuit, movable machinery stops automatically by certain position or stroke, counter motion, variable motion or automatically back and forth movement are widely used in subway passenger door control system, subway passenger door is all in back and forth movement duty frequently every day, wearing and tearing for rolling wheel type travel switch are very large, once there is underproof rolling wheel type travel switch, subway passenger door is caused normally to open, unnecessary trouble will be caused for subway normal operation, meeting under serious conditions threatens the life security of passenger, and maintenance cost is high, therefore rolling wheel type travel switch strictly must detect its quality before dispatching from the factory, must detecting in advance that quality does not pass a test processes, avoid causing metro operation accident, existing travel switch mass detecting instrument can only gather the electric current of low-speed situations lower stroke switch, voltage and power running parameter, and quality testing speed is slow, expend time in length, efficiency is low, quality testing error is large, therefore, nowadays a kind of structure is lacked simple, cost is low, result of use is good and strictly can detect the rolling wheel type travel switch mass detecting instrument of rolling wheel type travel switch quality, the electric current of rolling wheel type travel switch under different switching frequency service condition can be detected, voltage and power running parameter, the disk rotational with spill chute is driven by the direct current generator of adjustable speed, spill chute on disk can hold the roller on rolling wheel type travel switch and then the rolling wheel type travel switch that closes is resetted power-off of upspringing, chop DC voltage off, impulse meter accumulation voltage pulse number is adopted to calculate rolling wheel type travel switch running number of times, spill chute smoothly disturbs little, pair roller formula travel switch running wastage is little, service efficiency is high, complete function, can guarantee that the safe reliability of pair roller formula travel switch is effectively monitored.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of rolling wheel type travel switch mass detecting instrument is provided, it is rationally novel in design, and structure is simple, can detect the electric current of rolling wheel type travel switch under different switching frequency service condition, voltage and power running parameter, detection time is short, efficiency is high, and quality testing precision is high, complete function, practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of rolling wheel type travel switch mass detecting instrument, described rolling wheel type travel switch comprises the first switch contact, second switch contact, roller, the lever be connected with described roller central shaft, and touch or disconnect the push rod of microswitch with described lever contact, it is characterized in that: described rolling wheel type travel switch mass detecting instrument comprises detection current supply circuit, direct current generator, to connect with described direct current generator and for regulating the DC motor speed-regulating module of described DC motor speed, and the rotating shaft being arranged on described direct current generator contacts and the disk of Frictional Slipping with the excircle of described roller, the center of described disk is provided with through hole, the excircle of described disk is provided with the spill chute that can hold described roller, described DC motor speed-regulating module comprises microcontroller and connects with described microcontroller for driving the DC motor Driver chip of described direct current generator and for regulating the input key of described DC motor speed speed, described detection current supply circuit comprises power supply, reometer A1, rolling wheel type travel switch and slide rheostat RL is connected to successively between the positive output end of described power supply and negative output terminal, first switch contact of described rolling wheel type travel switch and the two ends of second switch contact are parallel with voltage table V1, two stiff ends of described slide rheostat RL are parallel with impulse meter J1, and the link of a stiff end of the sliding end of slide rheostat RL and second switch contact and slide rheostat RL connects.
Above-mentioned a kind of rolling wheel type travel switch mass detecting instrument, is characterized in that: described through hole is fixedly mounted in the rotating shaft of described direct current generator.
Above-mentioned a kind of rolling wheel type travel switch mass detecting instrument, is characterized in that: described microcontroller comprises chip STC12C5201PWM.
Above-mentioned a kind of rolling wheel type travel switch mass detecting instrument, it is characterized in that: described DC motor Driver chip comprises chip LM298,7th pin of described chip LM298, the 6th pin and the 5th pin connect with the 21st pin of described chip STC12C5201PWM, the 20th pin and the 19th pin respectively, 9th pin of chip LM298 connects with 5V power output end, 3rd pin of chip LM298 divides two-way, one tunnel connects with the link of the anode of diode D2 and the negative electrode of diode D4, the input end of another road and described direct current generator+connect; 2nd pin of chip LM298 divides two-way, and a road connects with the link of the anode of diode D3 and the negative electrode of diode D5, the output terminal of another road and described direct current generator-connect; The negative electrode of diode D2 and the negative electrode of diode D3 all connect with 12V power output end, the anode of diode D4 and the equal ground connection of anode of diode D5.
Above-mentioned a kind of rolling wheel type travel switch mass detecting instrument, is characterized in that: described impulse meter J1 is impulse meter CT7-PS61T.
Above-mentioned a kind of rolling wheel type travel switch mass detecting instrument, it is characterized in that: described power supply comprises connectivity port JP1, transformer T1 and rectifier bridge D1, two-way is divided in simple one end of described transformer T1, one tunnel connects with the 1st pin of described connectivity port JP1 through fuse FU and switch S 1, and another road connects with one end of nonpolar electric capacity C3; The simple other end of transformer T1 divides two-way, and a road connects with the 2nd pin of connectivity port JP1 through resistance R1, and another road connects with the other end of nonpolar electric capacity C3; Two-way is divided in secondary one end of transformer T1, and a road connects with an ac input end of described rectifier bridge D1, and another road connects with one end of nonpolar electric capacity C4; The secondary other end of transformer T1 divides two-way, and a road connects with another ac input end of described rectifier bridge D1, and another road connects with the other end of nonpolar electric capacity C4; The link of the direct current positive output end of rectifier bridge D1 and the positive pole of polar capacitor C5 is the positive output end of power supply, the link of the direct current negative output terminal of rectifier bridge D1 and the negative pole of polar capacitor C5 is the negative output terminal of power supply, and the negative output terminal ground connection of power supply.
The utility model compared with prior art has the following advantages:
1, the disk of the utility model by fixedly mounting on DC motor shaft with spill chute, disk is driven to contact and Frictional Slipping with the excircle of the roller on rolling wheel type travel switch by direct current generator conversion, when roller turns to disk excircle, lever extruding push rod, rolling wheel type travel switch contact is energized, when each roller turns to spill chute, roller holds to come in by the spill chute on disk, the rolling wheel type travel switch that closes is resetted power-off of upspringing, produce primary voltage pulse, detecting current supply circuit can detection record rolling wheel type travel switch service condition, result of use is good, and spill chute smoothly disturbs little, pair roller formula travel switch running wastage is little, service efficiency is high, be convenient to promote the use of.
2, the utility model is by arranging DC motor speed-regulating module, adjustable DC motor speed speed, thus regulates rolling wheel type travel switch frequency of utilization, under observed and recorded different frequency, the state of rolling wheel type travel switch, complete function, detection speed is fast, and efficiency is high.
3, the utility model is by adopting CT7-PS61T impulse meter, and it has, and power-off adds up, data store and the function of data transmission, uses simple, easy to operate.
4, the utility model is rationally novel in design, and input cost is low, and volume is little, removes and installs conveniently, practical, is convenient to promote the use of.
In sum, the utility model is rationally novel in design, and structure is simple, can detect the electric current of rolling wheel type travel switch under different switching frequency service condition, voltage and power running parameter, detection time is short, and efficiency is high, and quality testing precision is high, complete function, practical, be convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the installation relation schematic diagram of the utility model rolling wheel type travel switch and disk.
Fig. 2 is the circuit connecting relation schematic diagram that the utility model detects current supply circuit.
Fig. 3 is the circuit connecting relation schematic diagram of the utility model microcontroller and input key.
Fig. 4 is the circuit connecting relation schematic diagram of the utility model DC motor Driver chip and direct current generator.
Description of reference numerals:
1-rolling wheel type travel switch; 1-1-the first switch contact; 1-2-second switch contact;
1-3-push rod; 1-4-roller; 1-5-lever;
2-disk; 2-1-through hole; 2-2-spill chute;
3-power supply; 4-direct current generator.
Embodiment
As Fig. 1, Fig. 2, a kind of rolling wheel type travel switch mass detecting instrument shown in Fig. 3 and Fig. 4, described rolling wheel type travel switch 1 comprises the first switch contact 1-1, second switch contact 1-2, roller 1-4, the lever 1-5 be connected with described roller 1-4 central shaft, and to contact with described lever 1-5 and to touch or disconnect the push rod 1-3 of microswitch, described rolling wheel type travel switch mass detecting instrument comprises detection current supply circuit, direct current generator 4, to connect with described direct current generator 4 and for regulating the DC motor speed-regulating module of described direct current generator 4 rotating speed, and the rotating shaft being arranged on described direct current generator 4 contacts and the disk 2 of Frictional Slipping with the excircle of described roller 1-4, the center of described disk 2 is provided with through hole 2-1, the excircle of described disk 2 is provided with the spill chute 2-2 that can hold described roller 1-4, described DC motor speed-regulating module comprises microcontroller and connects with described microcontroller for driving the DC motor Driver chip of described direct current generator 4 and for regulating the input key of described direct current generator 4 rotating speed speed, described detection current supply circuit comprises power supply 3, reometer A1, rolling wheel type travel switch 1 and slide rheostat RL is connected to successively between the positive output end of described power supply 3 and negative output terminal, first switch contact 1-1 of described rolling wheel type travel switch 1 and the two ends of second switch contact 1-2 are parallel with voltage table V1, two stiff ends of described slide rheostat RL are parallel with impulse meter J1, and the sliding end of slide rheostat RL connects with the link of a stiff end of second switch contact 1-2 and slide rheostat RL.
In the present embodiment, described through hole 2-1 is fixedly mounted in the rotating shaft of described direct current generator 4.
As shown in Figure 3, in the present embodiment, described microcontroller comprises chip STC12C5201PWM.
In actual use, can at the output terminal external-connection displayer of chip STC12C5201PWM, check direct current generator 4 rotating speed, use input key to regulate direct current generator 4 velocity of rotation, the test data under using DC motor speed-regulating module can test rolling wheel type travel switch different frequency.
As shown in Figure 4, in the present embodiment, described DC motor Driver chip comprises chip LM298,7th pin of described chip LM298, the 6th pin and the 5th pin connect with the 21st pin of described chip STC12C5201PWM, the 20th pin and the 19th pin respectively, 9th pin of chip LM298 connects with 5V power output end, 3rd pin of chip LM298 divides two-way, one tunnel connects with the link of the anode of diode D2 and the negative electrode of diode D4, the input end of another road and described direct current generator 4+connect; 2nd pin of chip LM298 divides two-way, and a road connects with the link of the anode of diode D3 and the negative electrode of diode D5, the output terminal of another road and described direct current generator 4-connect; The negative electrode of diode D2 and the negative electrode of diode D3 all connect with 12V power output end, the anode of diode D4 and the equal ground connection of anode of diode D5.
In the present embodiment, described impulse meter J1 is impulse meter CT7-PS61T.
As shown in Figure 2, in the present embodiment, described power supply 3 comprises connectivity port JP1, transformer T1 and rectifier bridge D1, two-way is divided in simple one end of described transformer T1, one tunnel connects with the 1st pin of described connectivity port JP1 through fuse FU and switch S 1, and another road connects with one end of nonpolar electric capacity C3; The simple other end of transformer T1 divides two-way, and a road connects with the 2nd pin of connectivity port JP1 through resistance R1, and another road connects with the other end of nonpolar electric capacity C3; Two-way is divided in secondary one end of transformer T1, and a road connects with an ac input end of described rectifier bridge D1, and another road connects with one end of nonpolar electric capacity C4; The secondary other end of transformer T1 divides two-way, and a road connects with another ac input end of described rectifier bridge D1, and another road connects with the other end of nonpolar electric capacity C4; The link of the direct current positive output end of rectifier bridge D1 and the positive pole of polar capacitor C5 is the positive output end of power supply 3, the link of the direct current negative output terminal of rectifier bridge D1 and the negative pole of polar capacitor C5 is the negative output terminal of power supply 3, and the negative output terminal ground connection of power supply 3.
In physical cabling, connectivity port JP1 connects mains supply, the positive output end of power supply 3 connect the positive pole of reometer A1+, the negative pole of reometer A1-meet the first switch contact 1-1, second switch contact 1-2 connect the positive pole of the sliding end of slide rheostat RL, a stiff end of slide rheostat RL and impulse meter J1+, simultaneously, first switch contact 1-1 connect the positive pole of voltage table V1+, second switch contact 1-2 connect the negative pole of voltage table V1-, the negative output terminal of the connection termination power supply 3 of the negative pole-of impulse meter J1 and another stiff end of slide rheostat RL.
When the utility model uses, disk 2 is fixedly mounted on by through hole 2-1 in the rotating shaft of direct current generator 4, while DC motor speed-regulating module controls to drive direct current generator 4 to rotate, disk 2 and then rotates, connectivity port JP1 connects mains supply, Closing Switch S1, it is that rolling wheel type travel switch 1 and slide rheostat RL power that mains electricity is converted to DC voltage by power supply 3, first switch contact 1-1 of rolling wheel type travel switch 1 and second switch contact 1-2 place in circuit, reometer A1 gathers the working current of rolling wheel type travel switch 1, reometer V1 gathers the operating voltage of rolling wheel type travel switch 1, simultaneously, the excircle of the roller 1-4 of rolling wheel type travel switch 1 contacts and the disk 2 of Frictional Slipping, when roller 1-4 turns to the excircle of disk 2, lever 1-5 pressure-ram 1-3, rolling wheel type travel switch 1 contact is energized, when each roller 1-4 turns to spill chute 2-2, roller 1-4 holds to come in by the spill chute 2-2 on disk 2, the rolling wheel type travel switch 1 that closes is resetted power-off of upspringing, detect current supply circuit and produce primary voltage pulse, impulse meter J1 adds up power-off number of times and data store, data can also be transferred out simultaneously, the frequency of utilization of the rotating speed speed change rolling wheel type travel switch 1 of direct current generator 4 can be set by input key, the running parameter of test different rotating speeds bottom roller formula travel switch 1, improve detection efficiency, reduce detection time, complete function, result of use is good.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a rolling wheel type travel switch mass detecting instrument, described rolling wheel type travel switch (1) comprises the first switch contact (1-1), second switch contact (1-2), roller (1-4), the lever (1-5) be connected with described roller (1-4) central shaft, and to contact with described lever (1-5) and to touch or disconnect the push rod (1-3) of microswitch, it is characterized in that: described rolling wheel type travel switch mass detecting instrument comprises detection current supply circuit, direct current generator (4), to connect with described direct current generator (4) and for regulating the DC motor speed-regulating module of described direct current generator (4) rotating speed, and the rotating shaft being arranged on described direct current generator (4) contacts and the disk of Frictional Slipping (2) with the excircle of described roller (1-4), the center of described disk (2) is provided with through hole (2-1), the excircle of described disk (2) is provided with the spill chute (2-2) that can hold described roller (1-4), described DC motor speed-regulating module comprises microcontroller and connects with described microcontroller for driving the DC motor Driver chip of described direct current generator (4) and for regulating the input key of described direct current generator (4) rotating speed speed, described detection current supply circuit comprises power supply (3), reometer A1, rolling wheel type travel switch (1) and slide rheostat RL is connected to successively between the positive output end of described power supply (3) and negative output terminal, first switch contact (1-1) of described rolling wheel type travel switch (1) and the two ends of second switch contact (1-2) are parallel with voltage table V1, two stiff ends of described slide rheostat RL are parallel with impulse meter J1, and the link of a stiff end of the sliding end of slide rheostat RL and second switch contact (1-2) and slide rheostat RL connects.
2. according to a kind of rolling wheel type travel switch mass detecting instrument according to claim 1, it is characterized in that: described through hole (2-1) is fixedly mounted in the rotating shaft of described direct current generator (4).
3., according to a kind of rolling wheel type travel switch mass detecting instrument according to claim 1, it is characterized in that: described microcontroller comprises chip STC12C5201PWM.
4. according to a kind of rolling wheel type travel switch mass detecting instrument according to claim 3, it is characterized in that: described DC motor Driver chip comprises chip LM298, 7th pin of described chip LM298, 6th pin and the 5th pin respectively with the 21st pin of described chip STC12C5201PWM, 20th pin and the 19th pin connect, 9th pin of chip LM298 connects with 5V power output end, 3rd pin of chip LM298 divides two-way, one tunnel connects with the link of the anode of diode D2 and the negative electrode of diode D4, the input end of another road and described direct current generator (4)+connect, 2nd pin of chip LM298 divides two-way, and a road connects with the link of the anode of diode D3 and the negative electrode of diode D5, the output terminal of another road and described direct current generator (4)-connect, the negative electrode of diode D2 and the negative electrode of diode D3 all connect with 12V power output end, the anode of diode D4 and the equal ground connection of anode of diode D5.
5. according to a kind of rolling wheel type travel switch mass detecting instrument according to claim 1, it is characterized in that: described impulse meter J1 is impulse meter CT7-PS61T.
6. according to a kind of rolling wheel type travel switch mass detecting instrument according to claim 1, it is characterized in that: described power supply (3) comprises connectivity port JP1, transformer T1 and rectifier bridge D1, two-way is divided in simple one end of described transformer T1, one tunnel connects with the 1st pin of described connectivity port JP1 through fuse FU and switch S 1, and another road connects with one end of nonpolar electric capacity C3; The simple other end of transformer T1 divides two-way, and a road connects with the 2nd pin of connectivity port JP1 through resistance R1, and another road connects with the other end of nonpolar electric capacity C3; Two-way is divided in secondary one end of transformer T1, and a road connects with an ac input end of described rectifier bridge D1, and another road connects with one end of nonpolar electric capacity C4; The secondary other end of transformer T1 divides two-way, and a road connects with another ac input end of described rectifier bridge D1, and another road connects with the other end of nonpolar electric capacity C4; The link of the direct current positive output end of rectifier bridge D1 and the positive pole of polar capacitor C5 is the positive output end of power supply (3), the link of the direct current negative output terminal of rectifier bridge D1 and the negative pole of polar capacitor C5 is the negative output terminal of power supply (3), and the negative output terminal ground connection of power supply (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531785.5U CN204789935U (en) | 2015-07-21 | 2015-07-21 | Roller type travel switch quality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531785.5U CN204789935U (en) | 2015-07-21 | 2015-07-21 | Roller type travel switch quality detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204789935U true CN204789935U (en) | 2015-11-18 |
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ID=54529951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520531785.5U Expired - Fee Related CN204789935U (en) | 2015-07-21 | 2015-07-21 | Roller type travel switch quality detector |
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| Country | Link |
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| CN (1) | CN204789935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333335A (en) * | 2021-08-05 | 2021-09-03 | 南通勇振机电有限公司 | Travel switch detector |
-
2015
- 2015-07-21 CN CN201520531785.5U patent/CN204789935U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333335A (en) * | 2021-08-05 | 2021-09-03 | 南通勇振机电有限公司 | Travel switch detector |
| CN113333335B (en) * | 2021-08-05 | 2021-10-08 | 南通勇振机电有限公司 | Travel switch detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160721 |