CN216836720U - Speed measuring device and system - Google Patents
Speed measuring device and system Download PDFInfo
- Publication number
- CN216836720U CN216836720U CN202220063936.9U CN202220063936U CN216836720U CN 216836720 U CN216836720 U CN 216836720U CN 202220063936 U CN202220063936 U CN 202220063936U CN 216836720 U CN216836720 U CN 216836720U
- Authority
- CN
- China
- Prior art keywords
- speed
- module
- speed measuring
- information
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a speed measurement device and system, include: the fixed part and the speed measuring wheel are arranged on one side of the fixed part through a rotating shaft and are used for being in contact with the steps of the escalator; the speed acquisition module is arranged on the other side of the fixed part and positioned in front of the rotating shaft correspondingly and used for acquiring and processing step speed information; the wireless transmitting module is electrically connected with the speed acquisition module and is used for wirelessly transmitting the received step speed information; the power supply module is electrically connected with the speed acquisition module; the device system realizes automatic measurement and real-time display and storage of the step speed of the escalator, is convenient to install and measure, improves the detection work efficiency and has good practical value.
Description
Technical Field
The utility model relates to a observe and control technical field, in particular to speed measurement device and system.
Background
Escalators and moving walkways (hereinafter collectively referred to as escalators) account for about 10% of the total number of elevators, and are widely used in public places such as malls, supermarkets, subway stations, train stations, airports, hospitals and schools and in places where people flow. The braking performance of the escalator is related to the safety performance of the escalator and is an important examination item in escalator detection. The braking performance of the escalator can be measured by two parameters of braking distance and braking deceleration, the step loss protection device of the escalator can be failed due to overlarge braking distance, and a non-operation reversing accident can be caused due to insufficient braking torque; the excessive braking deceleration easily causes the passenger to fall down, and the trampling accident is caused. Therefore, when the escalator is installed, maintained, detected and periodically checked, the detection of the braking performance of the escalator is necessary, which is also an important measure for ensuring the safe operation of the escalator.
At present, most of the measurement of the relevant parameters of the braking distance of the escalator is manually participated, the error rate is high, and the measurement result is greatly influenced by the outside.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a speed measuring device, the device realize automatic measure, and it is portable for automatic escalator daily maintenance repair, supervision inspection and periodic inspection provide, improve work efficiency.
In one aspect, an embodiment of the present invention provides a speed measuring device, including:
a fixing member;
the speed measuring wheel is arranged on one side of the fixed part through a rotating shaft and is used for contacting with the steps of the escalator;
the speed acquisition module is arranged on the other side of the fixed part and is positioned in front of the rotating shaft correspondingly and used for acquiring and processing step speed information;
the wireless transmitting module is electrically connected with the speed acquisition module and is used for wirelessly transmitting the received step speed information;
and the power supply module is electrically connected with the speed acquisition module.
The embodiment of the utility model provides an at least include following beneficial effect: the speed measuring device is installed on a running escalator at a proper position, the speed measuring wheel is adjusted to be in close contact with a moving step plate, the rotating speed of the speed measuring wheel is acquired through the speed acquisition module, the rotating speed is converted to obtain step speed information, and the step speed information is wirelessly transmitted to the handheld terminal through the wireless transmission module; the automatic measurement of the step speed of the escalator is realized, the installation and measurement are convenient, the detection working efficiency can be improved, and the practical value is good.
According to some embodiments of the present invention, the fixing member comprises a support member, an adjusting arm and an adsorbing member, which are connected in sequence; the speed measuring wheel and the speed acquisition module are respectively arranged on two sides of the supporting piece, and the adsorption piece is used for connecting the step positions of the escalator.
According to some embodiments of the invention, the suction member is at least one of a magnet or a vacuum chuck.
According to the utility model discloses a some embodiments, support piece position one side of speed acquisition module is provided with the boss, the last mounting hole that still is provided with of support piece, the mounting hole runs through support piece with the boss, the one end of pivot with the tachometer wheel links to each other, the other end of pivot wears to locate the mounting hole, speed acquisition module sets up on the boss.
According to the utility model discloses a some embodiments still include the casing, the one end of casing with one side fixed connection of fixed part, the other end of casing is provided with the end cover, wireless transmitting module power module reaches speed acquisition module sets up in the casing.
According to some embodiments of the utility model, wireless transmitting module sets up and is being close to the position of end cover, power module is located wireless transmitting module with between the speed acquisition module.
According to some embodiments of the invention, the speed acquisition module comprises:
the speed measuring sensor is arranged in front of the rotating shaft correspondingly, and is used for collecting the rotating speed information of the speed measuring wheel through the rotating shaft and converting the rotating speed information into analog quantity information;
the A/D conversion module is electrically connected with the output end of the speed measuring sensor and is used for converting the analog quantity information into digital quantity information;
the input end of the first microprocessor is electrically connected with the output end of the A/D conversion module and the output end of the power supply module, and the output end of the first microprocessor is electrically connected with the input end of the wireless communication module and used for packaging received digital quantity information and transmitting the packaged digital quantity information to the wireless transmitting module.
According to some embodiments of the present invention, the power module includes series connection's battery, first power conversion circuit and second power conversion circuit, first power conversion circuit is used for the power supply of emission module, second power conversion circuit is used for the power supply of first microprocessor.
According to some embodiments of the present invention, the shaft is provided with a shock-proof buffer structure.
On the other hand, the embodiment of the utility model provides a speed measurement system is still provided, include:
the above-described speed measuring device;
the wireless receiving module is used for receiving the step speed information sent by the speed measuring device;
the second microprocessor is electrically connected with the output end of the wireless receiving module and is used for carrying out error correction on the received step speed information and storing the step speed information;
and the display module is electrically connected with the second microprocessor and used for displaying the corrected step speed information.
The embodiment of the utility model provides an at least include following beneficial effect: when the system is in actual use, firstly, a speed measuring device is installed at a proper position on a running escalator, a speed measuring wheel is adjusted to be in close contact with a moving step plate, the rotating speed of the speed measuring wheel is acquired through a speed acquisition module and is converted to obtain step speed information, the step speed information is wirelessly transmitted to a handheld terminal through a wireless transmitting module, an antenna of a wireless receiving module receives a wireless signal and stores the wireless signal to a second microprocessor, the second microprocessor performs error correction and storage on the speed information in real time, and finally the corrected step running speed is displayed on a display module in real time and kept read; the system realizes automatic measurement and real-time display and storage of the step speed of the escalator, is convenient to install and measure, improves the detection work efficiency, and has good practical value.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is an exploded view of a speed measuring device according to an embodiment of the present invention;
fig. 2 is a circuit block diagram of a speed measuring device according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a speed measuring device according to an embodiment of the present invention;
fig. 4 is a circuit block diagram of a terminal according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a terminal according to an embodiment of the present invention.
Reference numerals: the device comprises an end cover 1, a wireless transmitting module 2, a power supply module 3, a shell 4, a speed acquisition module 5, a speed measuring wheel 6, a fixing part 7, a boss 8 and a shockproof buffer structure 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Since the step speed is equal to the rotating speed of the tachometer wheel, the step speed is measured as long as the rotating speed of the tachometer wheel is obtained by detection; based on this, referring to fig. 1 to 5, the embodiment of the present invention provides a speed measurement device, which may include: the device comprises a fixed part, a speed measuring wheel 6, a speed acquisition module 5, a wireless transmitting module 2 and a power supply module 3;
wherein, the tachometer wheel 6 is arranged at one side of the fixed part through a rotating shaft and is used for contacting with the steps of the escalator;
referring to fig. 1, the fixing component includes a supporting component 7 (shown in the figure), an adjusting arm (not shown in the figure) and an adsorbing component (not shown in the figure) which are connected; the speed measuring wheel 6 and the speed acquisition module 5 are respectively arranged at two sides of the supporting piece 7, the supporting piece 7 is mainly used for providing mounting and supporting positions for the speed measuring wheel 6 and the speed acquisition module 5, and a connecting rod structure, a plate-shaped structure, a columnar structure and the like can be adopted; the adsorption part is used for being connected with the step position of the escalator, and after a proper installation position is selected on the running escalator, the speed measuring wheel and the speed acquisition module can be fixed at the position of the step plate to be measured through the adsorption accessory; support piece is connected to regulating arm one end, and the absorption piece is connected to one end, because the regulating arm can set to rotatable, can the pulling-up structure as required, also can set to multisection transmission structure or universal rotating structure as required, the mounted position of velocity measuring wheel can be adjusted to the regulating arm, is favorable to guaranteeing velocity measuring wheel and automatic escalator motion step board in close contact with, improves the measuring accuracy.
The speed acquisition module 5 is arranged on the other side of the fixed part and positioned in front of the rotating shaft correspondingly and used for acquiring and processing step speed information; in this embodiment, a mounting hole penetrating through the support member is formed in the support member 7 of the fixing member, one end of the rotating shaft is fixed with the tachometer wheel 6, and the other end of the rotating shaft penetrates through the mounting hole; the speed acquisition module 5 is arranged in the corresponding front of the rotating shaft, and the distance between the speed acquisition module and the end face of the rotating shaft can be set according to the optimal test effect of the acquisition module.
The wireless transmitting module 2 is electrically connected with the speed acquisition module 5 and is used for wirelessly transmitting the received step speed information; the wireless communication mode can greatly simplify the wiring complexity on site, save the wiring time and improve the testing efficiency;
and the power supply module is electrically connected with the speed acquisition module. Providing working electric energy for the whole measuring device; some embodiments may use batteries, which may be easily replaced and carried.
When the speed measuring device of the embodiment is used for measuring speed, firstly, a proper position is selected on a running escalator, a speed measuring wheel and a speed acquisition module are fixedly installed through an adsorption piece, then the speed measuring wheel is adjusted by an adjusting arm to be in close contact with a moving step plate, the speed measuring wheel and the steps of the escalator are synchronous in rotating speed, the rotating speed of the speed measuring wheel is acquired through the speed acquisition module, step speed information is further obtained, and the step speed information is wirelessly transmitted to a handheld terminal through a wireless transmitting module; the automatic measurement of the step speed of the escalator is realized, the installation and measurement are convenient, the detection working efficiency can be improved, and the practical value is good.
In a possible implementation manner, the adsorption member may adopt at least one of a magnet structure or a suction cup structure; the vacuum sucker can adopt a vacuum sucker, the back of the vacuum sucker can be further provided with a vacuum pressure rod, when the vacuum pressure rod is pressed down, air in the sucker is discharged to form a vacuum state, so that the sucker is tightly fixed with a proper position on the escalator, and when the sucker needs to be dismounted, the vacuum pressure rod is pulled up, so that the assembly and the dismounting are convenient; when the installation position is made of steel or iron, a magnetic attraction structure can be preferentially adopted.
In a possible implementation manner, one side of the support member 7 located in the speed acquisition module is provided with a boss 8, the mounting hole penetrates through the support member and the boss 8, one end of the rotating shaft is connected with the tachometer wheel, the other end of the rotating shaft penetrates through the mounting hole, the speed acquisition module is arranged on the boss 8, is located in the corresponding front of the mounting hole, and is arranged opposite to the rotating shaft penetrating through the mounting hole.
In a possible implementation mode, still include casing 4, the one end of casing 4 is installed on fixed part, further the casing cover is established in the periphery of boss 8, and fix with the boss through the pin, the other end of casing is provided with the end cover, this end cover is located the inboard of casing and fixes through the pin, wireless transmitting module, power module and speed acquisition module set up in the casing, the setting of casing and end cover can play the guard action to wireless transmitting module, these electrical module of power module and speed acquisition module.
In a possible implementation mode, the wireless transmitting module is arranged at a position close to the end cover, and the power supply module is positioned between the wireless transmitting module and the speed acquisition module, so that the overall size of the device can be further reduced by the stacked compact installation mode. In addition, the end cover is provided with a through hole, so that transmission of wireless signals is facilitated.
With further reference to fig. 2 and 3, in one possible implementation, the velocity acquisition module includes:
the speed measuring sensor 51 is arranged in front of the rotating shaft correspondingly, and is used for collecting the rotating speed information of the speed measuring wheel through the rotating shaft and converting the rotating speed information into analog quantity information; because the tachometer wheel links to each other with the pivot is coaxial, the rotational speed of tachometer wheel is the same with the rotational speed of pivot, and the tachometer sensor obtains the rotational speed of tachometer wheel through the rotational speed of detection pivot, and the rotational speed of tachometer wheel equals step speed, therefore has also equallyd divide into step speed.
The A/D conversion module 52 is electrically connected with the output end of the speed measuring sensor and is used for converting the analog quantity information into digital quantity information; the rotation speed of the tachometer wheel acquired by the tachometer sensor in real time is analog quantity data information, and the microprocessor cannot directly process the analog quantity data information, so that the analog quantity data information needs to be converted into digital quantity information which can be directly processed by the microprocessor through the A/D conversion module.
The input end of the first microprocessor 53 is electrically connected with the output end of the A/D conversion module and the output end of the power supply module, and the output end of the first microprocessor 53 is electrically connected with the input end of the wireless transmitting module 2, and is used for packaging the received digital quantity information and transmitting the packaged digital quantity information to the wireless communication module 2.
With further reference to fig. 3, in a possible implementation manner, the power module 3 includes a battery, a first power conversion circuit 31 and a second power conversion circuit 32 connected in series, and the first power conversion circuit 31 performs voltage reduction processing on a voltage input by the battery to obtain a 5V voltage for supplying power to the transmitting module; the second power conversion circuit 32 steps down the 5V voltage output by the first power conversion circuit 31 again to obtain a 3.3V voltage for supplying power to the first microprocessor. In this embodiment, the wireless transmitting module includes a communication module 21 and an antenna transceiver circuit 22, and the communication module 21 may adopt a MAX3485 communication module, or may adopt other communication modules to perform wireless communication.
In a possible implementation mode, the rotating shaft can be further provided with a shockproof buffer structure 9, so that the transmission between the speed measuring wheel and the rotating shaft is smoother, the error is reduced, and the measurement precision is provided.
With further reference to fig. 4 and 5, embodiments of the present invention also provide a speed measurement system, including:
the above-described speed measuring device;
the wireless receiving module 10 is used for receiving the step speed information sent by the speed measuring device;
the second microprocessor 11 is electrically connected with the output end of the wireless receiving module and is used for carrying out error correction on the received step speed information and storing the step speed information;
and the display module 12 is electrically connected with the second microprocessor and used for displaying the corrected step speed information.
The wireless receiving module 11, the second microprocessor 11 and the display module 12 are terminal modules of the speed measuring system, and in a possible implementation manner, the terminal modules are configured as a handheld terminal, and the wireless receiving module 11, the second microprocessor 11 and the display module 12 are assembled in the handheld terminal. The wireless receiving module receives the step speed information and stores the received step speed information into the second microprocessor 11, and the second microprocessor performs error correction on the step speed information and then transmits the corrected step speed information to the display module 13 for real-time display.
The embodiment of the utility model provides a specific work flow of speed measurement system does: firstly, selecting a proper position on a running escalator, installing a speed measuring wheel and a speed acquisition module of a speed measuring device, adjusting the speed measuring wheel to be in close contact with a moving step plate through a regulating arm, realizing that the speed measuring wheel and the step of the escalator have synchronous rotating speed, converting the rotating speed of the speed measuring wheel into analog quantity by a speed measuring sensor, converting the analog quantity into computer digital quantity which can be identified by a system by an A/D conversion module, and processing data by a first microprocessor; wirelessly transmitting the measured speed digital information to a handheld terminal machine through a wireless transmitting module, storing a signal to a second microprocessor of the terminal machine after an antenna of a wireless receiving module in the handheld terminal machine receives a wireless speed digital signal, and performing error correction processing on the speed digital information by adopting the second microprocessor of the handheld terminal machine; and finally, displaying the step running speed in real time on a display module and keeping reading. The speed measuring device of the wireless escalator speed measuring system and the handheld terminal machine use a storage battery power supply mode, so that the step speed of the escalator is conveniently measured, the inspection working efficiency can be improved, and the wireless escalator speed measuring system has good practical value.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. A speed measurement device, comprising:
a fixing member;
the speed measuring wheel is arranged on one side of the fixed part through a rotating shaft and is used for contacting with the steps of the escalator;
the speed acquisition module is arranged on the other side of the fixed part and is positioned in front of the rotating shaft correspondingly and used for acquiring and processing step speed information;
the wireless transmitting module is electrically connected with the speed acquisition module and is used for wirelessly transmitting the received step speed information;
and the power supply module is electrically connected with the speed acquisition module.
2. The speed measuring device of claim 1, wherein the fixing member comprises a supporting member, an adjusting arm and an adsorbing member connected in sequence; the speed measuring wheel and the speed acquisition module are respectively arranged on two sides of the supporting piece, and the adsorption piece is used for being connected with the step position of the escalator.
3. A speed measuring apparatus according to claim 2, wherein the suction member is at least one of a magnet and a vacuum chuck.
4. The speed measuring device according to claim 2, wherein a boss is disposed on one side of the supporting member located on the speed collecting module, a mounting hole is further disposed on the supporting member, the mounting hole penetrates through the supporting member and the boss, one end of the rotating shaft is connected to the tachometer wheel, the other end of the rotating shaft penetrates through the mounting hole, and the speed collecting module is disposed on the boss.
5. The speed measuring device according to claim 1, further comprising a housing, wherein one end of the housing is fixedly connected to one side of the fixing member, an end cap is disposed at the other end of the housing, and the wireless transmitting module, the power supply module and the speed collecting module are disposed in the housing.
6. The speed measurement device of claim 5, wherein the wireless transmission module is disposed proximate to the end cap, and the power module is disposed between the wireless transmission module and the speed acquisition module.
7. A speed measuring device according to any of claims 1 to 6, wherein the speed acquisition module comprises:
the speed measuring sensor is arranged in front of the rotating shaft correspondingly, and is used for acquiring the rotating speed information of the speed measuring wheel through the rotating shaft and converting the rotating speed information into analog quantity information;
the A/D conversion module is electrically connected with the output end of the speed measuring sensor and is used for converting the analog quantity information into digital quantity information;
the input end of the first microprocessor is electrically connected with the output end of the A/D conversion module and the output end of the power supply module, and the output end of the first microprocessor is electrically connected with the input end of the wireless transmitting module and used for packaging received digital quantity information and transmitting the packaged digital quantity information to the wireless transmitting module.
8. A speed measurement device according to claim 7, wherein the power supply module comprises a battery, a first power conversion circuit and a second power conversion circuit connected in series, the first power conversion circuit being for powering the transmitter module and the second power conversion circuit being for powering the first microprocessor.
9. A speed measuring apparatus according to claim 1, wherein the shaft is provided with a shock absorbing structure.
10. A speed measurement system, comprising:
a speed measuring device according to any one of claims 1 to 9;
the wireless receiving module is used for receiving the step speed information sent by the speed measuring device;
the second microprocessor is electrically connected with the output end of the wireless receiving module and is used for carrying out error correction on the received step speed information and storing the step speed information;
and the display module is electrically connected with the second microprocessor and used for displaying the corrected step speed information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220063936.9U CN216836720U (en) | 2022-01-07 | 2022-01-07 | Speed measuring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220063936.9U CN216836720U (en) | 2022-01-07 | 2022-01-07 | Speed measuring device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216836720U true CN216836720U (en) | 2022-06-28 |
Family
ID=82115117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220063936.9U Active CN216836720U (en) | 2022-01-07 | 2022-01-07 | Speed measuring device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216836720U (en) |
-
2022
- 2022-01-07 CN CN202220063936.9U patent/CN216836720U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20040236233A1 (en) | Information-gathering device and pulse meter | |
| CN101776520A (en) | Automobile clock spring durability test device | |
| CN216836720U (en) | Speed measuring device and system | |
| CN210243677U (en) | Rotating speed measuring device based on photoelectric sensor | |
| EP4332540A1 (en) | Motion state monitoring system and locomotive | |
| US20100156618A1 (en) | Tire Monitoring System Without Battery | |
| CN102636346A (en) | Stress analysis system of self-powered wireless gear | |
| CN220334450U (en) | Air pressure detection device in high-speed elevator car | |
| CN2727754Y (en) | Starting motor testing device | |
| CN113155465A (en) | Portable subway traction motor bearing state detection device | |
| CN208238843U (en) | A kind of lift acceleration detector | |
| CN213714534U (en) | Device for measuring vibration of generator stator winding | |
| CN113285773A (en) | 5G signal strength testing arrangement | |
| CN109068110B (en) | Remote vehicle networking monitoring device with automatic early warning function | |
| CN210603276U (en) | Indium steel ruler auxiliary monitoring device | |
| CN218723766U (en) | Wireless electronic clearance gauge | |
| CN203313197U (en) | Portable radio monitoring integrated machine having receiving terminal | |
| CN215326520U (en) | Crane big and small car speed and synchronization rate monitoring mechanism | |
| CN218727741U (en) | Power distribution network hybrid line fault traveling wave positioning device and system thereof | |
| CN219573313U (en) | Anchor rod internal force integrated intelligent monitoring device and anchor rod fixing structure | |
| CN210005257U (en) | wireless detection system for power output parameters of tractor | |
| CN211604281U (en) | Remote monitoring alarm device of fan | |
| CN215116334U (en) | Magnetic induction type non-contact rotating speed measuring and monitoring device | |
| CN208469563U (en) | A kind of multifunctional intellectual electric vehicle instrument | |
| CN216283620U (en) | Rotor parameter measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |