CN204065123U - Linear speed sensor - Google Patents
Linear speed sensor Download PDFInfo
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- CN204065123U CN204065123U CN201420536640.XU CN201420536640U CN204065123U CN 204065123 U CN204065123 U CN 204065123U CN 201420536640 U CN201420536640 U CN 201420536640U CN 204065123 U CN204065123 U CN 204065123U
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- circuit breaker
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- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides a linear velocity transducer, which comprises an installation support module, a linear sliding resistance module, a transmission module and a signal extraction module; the mounting bracket module is fixed with the circuit breaker; the linear sliding resistance module is arranged on the mounting bracket module and comprises a sliding resistance and a sliding block, and a concave sliding chute which is matched with the sliding block and has a certain length and a signal connecting end are formed on the sliding resistance; the transmission module is arranged on the sliding block and is matched with a transmission rod of the circuit breaker to drive the sliding block to slide in the sliding groove; the signal leading-out module is arranged on the mounting bracket module, and is respectively provided with a wiring terminal connected with a signal wire of the sliding resistance signal leading-out end and a wiring plug connected with a signal wire of the measuring instrument. Implement the embodiment of the utility model provides a, its simple structure and installation are convenient, through being connected with the measuring apparatu, have realized just dividing the measurement of closing the speed just to the circuit breaker.
Description
Technical Field
The utility model relates to an electric power system sensor signal acquisition technical field especially relates to a linear velocity sensor.
Background
In the existing power transformation primary equipment, a large number of AHMA-4/8 type hydraulic spring mechanisms produced by ABB company are used, and due to the structural particularity of the mechanism, the traditional rotary type sensor cannot be installed, and a general linear sensor also lacks enough installation space, so that after the equipment leaves a factory, the just-opening and just-closing speed of the breaker cannot be measured when the equipment is maintained on an operation site, and the just-opening and just-closing speed is an important parameter reflecting the operation condition of the breaker.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve lies in, provides a linear velocity sensor, and its simple structure and installation are convenient, through being connected with the measuring apparatu, has realized just dividing the measurement of closing the speed just to the circuit breaker.
In order to solve the technical problem, an embodiment of the present invention provides a linear velocity sensor, which is connected to a measuring instrument and then is matched with a circuit breaker, and comprises a mounting bracket module, a linear sliding resistance module, a transmission module and a signal extraction module; wherein,
the mounting bracket module is fixed with the circuit breaker;
the linear sliding resistance module is arranged on the mounting bracket module and comprises a sliding resistance and a sliding block; the sliding resistor is provided with a concave sliding chute which is matched with the sliding block and has a certain length, and a signal connecting end;
the transmission module is arranged on the sliding block and is matched with a transmission rod of the circuit breaker to drive the sliding block to slide in the sliding groove;
the signal leading-out module is arranged on the mounting bracket module, and is respectively provided with a wiring terminal connected with a signal wire led out from the signal connecting end and a wiring plug connected with a signal wire of the measuring instrument.
When the sliding block slides to a first position in the sliding groove, the value of the sliding resistance is minimum; when the sliding block slides to a second position in the sliding groove, the value of the sliding resistance is maximum.
Wherein a value of the sliding resistance gradually decreases as the slider slides in the slide groove toward the first position; when the slider slides in the slide groove toward the second position, the value of the sliding resistance gradually increases.
The transmission module is provided with at least one internal thread hole for installing a transmission rod matched with a transmission rod of the circuit breaker and an assembling hole for assembling a bolt, wherein the transmission module is connected with the hoop of the transmission rod of the circuit breaker through one end of the bolt, and the other end of the bolt is fixed with the sliding block.
Wherein, a transmission groove is formed on the sliding block; the transmission rod penetrates through any internal thread hole and can be clamped in the transmission groove.
The signal leading-out module is a signal junction box, at least one first fixing hole used for being fixed with the mounting support module and a signal adapter are formed in the signal leading-out module, and wiring terminals used for being connected with signal wires led out by the signal connecting end and wiring plugs used for being connected with signal wires of the measuring instrument are arranged at two ends of the signal adapter respectively.
A plug mounting hole for mounting the signal adapter is formed in one side of the signal junction box, and a convex ring is formed between the two ends of the signal adapter; when the signal adapter install in when on the plug mounting hole, binding post is located the inboard of signal terminal box, protruding ring card is held in the outside of signal terminal box, just the wiring plug is located the outside of signal terminal box.
The mounting bracket module comprises a first fixing plate, a second fixing plate and a third fixing plate; wherein,
the first fixing plate is provided with at least one second fixing hole for fixing the circuit breaker;
the second fixing plate is vertically fixed on the first fixing plate through a bolt;
the third fixing plate is parallel to the first fixing plate, is fixed to the second fixing plate, and is provided with the linear sliding resistance module.
The third fixing plate is L-shaped, one end of the third fixing plate is fixed with the second fixing plate and is parallel to the first fixing plate, and the other end of the third fixing plate is perpendicular to the first fixing plate.
And a wire groove for placing the sliding resistance signal wire is formed on one side of the third fixing plate, which is positioned on the second fixing plate.
Implement the embodiment of the utility model provides a, following beneficial effect has:
1. in the embodiment of the utility model, the sensor adopts the modular design, so the structure is simple and the installation is convenient;
2. the embodiment of the utility model provides an in, owing to drive the transmission rod through the transfer line of circuit breaker and drive the transmission module motion to the slider of control linear sliding resistance module slides in sliding resistance's spout, arouses sliding resistance's linear change, draws forth the measuring apparatu through the signal line again on, accomplishes the record ripples of circuit breaker action stroke curve, has realized just dividing the measurement of closing the speed just to the circuit breaker.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.
Fig. 1 is a schematic front perspective view of a linear velocity sensor according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of the linear sliding resistor module shown in fig. 1;
FIG. 3 is a schematic perspective view of the slider of FIG. 2 in a first position;
FIG. 4 is a schematic perspective view of the slider of FIG. 2 in a first position;
FIG. 5 is a schematic diagram of the sliding resistor of FIG. 2;
FIG. 6 is a front perspective view of the mounting bracket module of FIG. 1;
FIG. 7 is a schematic top perspective view of the mounting bracket module of FIG. 1;
FIG. 8 is a schematic perspective assembly view of the drive module and the drive rod of FIG. 1;
fig. 9 is a perspective exploded view of the signal extraction module of fig. 1;
in the figure: 1-mounting bracket module, 11-first fixing plate, 111-second fixing hole, 12-second fixing plate, 121-wire groove, 13-third fixing plate, 2-linear sliding resistance module, 21-sliding resistance, 211-sliding groove, 212-signal connecting end, 22-sliding block, 221-transmission groove, 3-transmission module, 31-internal thread hole, 32-assembly hole, 4-signal leading-out module, 41-wiring terminal, 42-wiring plug, 43-first fixing hole, 44-signal adapter, 441-convex ring, 45-plug mounting hole and 5-transmission rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
The terms of direction and position in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the invention.
Utility model people's design is based on the structural feature of ABB circuit breaker AHMA-4/8 type mechanism, has proposed a new linear velocity transducer, fully considers actual conditions, designs the preparation according to actual parameter and forms. The measurement of the just-opening and just-closing speed of the circuit breaker is realized through the connection with the existing measuring instrument (the Baoding superman electronic Limited company, the model number: SM 100A; the Wuhan ocean New technology Limited company, the model number: DB-8001, DB-8003 and the like).
As shown in fig. 1 to 9, in the embodiment of the present invention, a linear velocity sensor proposed by the utility model is connected to a measuring instrument (not shown) and then is matched with a circuit breaker (not shown), and includes a mounting bracket module 1, a linear sliding resistance module 2, a transmission module 3 and a signal extraction module 4; wherein,
the mounting bracket module 1 is fixed with the circuit breaker;
the linear sliding resistance module 2 is arranged on the mounting bracket module 1 and comprises a sliding resistance 21 and a sliding block 22; wherein, a concave sliding slot 211 matched with the sliding block 22 and having a certain length and a signal connection end 212 are formed on the sliding resistor 21;
the transmission module 3 is arranged on the sliding block 22, and is matched with a transmission rod (not shown) of the circuit breaker to drive the sliding block 22 to slide in the sliding groove 211;
the signal leading-out module 4 is arranged on the mounting bracket module 1, and is respectively provided with a wiring terminal 41 connected with a signal wire led out from the signal connecting end 212 and a wiring plug 42 connected with a signal wire of a measuring instrument.
When the slider 22 slides to the first position in the slide groove 211, the value of the slide resistance 21 is minimum; when the slider 22 slides to the second position in the slide groove 211, the value of the slide resistance 21 is maximized. It is understood that, when the slider 22 slides in the slide groove 211 toward the first position, the value of the sliding resistance 21 gradually decreases; when the slider 22 slides in the slide groove 211 toward the second position, the value of the slide resistance 21 gradually increases. It should be noted that, as shown in fig. 3, the first position is a lower limit position of the sliding resistance value, which is close to the signal connection terminal 212 of the sliding resistor 21; as shown in fig. 4, the second position is an upper limit position of the sliding resistance value, which is away from the signal connection terminal 212 of the sliding resistor 21.
As an example, as shown in fig. 5, the principle of the sliding resistor 21 is: the terminal is A, B, C, and when the slider 22 is at the lower limit position, the sliding resistance between terminals a and B is at a minimum: 0 Ω; when the slider 23 is at the upper limit position, the sliding resistance between the terminals a and B is at most: 5000 omega.
For stability and ease of handling, the mounting bracket module 1 comprises a first fixing plate 11, a second fixing plate 12 and a third fixing plate 13; wherein, the first fixing plate 11 is formed with at least one second fixing hole 111 for fixing with the circuit breaker; the second fixing plate 12 is vertically fixed on the first fixing plate 11 through bolts; the third fixing plate 13 is parallel to the first fixing plate 11 and fixed to the second fixing plate 12, and the linear sliding resistor module 2 is disposed thereon.
In order to further fix the linear sliding resistance module 2, the third fixing plate 13 is L-shaped, one end of the third fixing plate is fixed to the second fixing plate 12 and parallel to the first fixing plate 11, and the other end of the third fixing plate is perpendicular to the first fixing plate 11, so that the third fixing plate 13 and the second fixing plate 12 are respectively used as two baffles, and the linear sliding resistance module 2 can be located in a cavity surrounded by the third fixing plate 13 and the second fixing plate 12 and cannot easily slide out. In order to facilitate the leading-out of the signal wire of the sliding resistor 21, a wire slot 121 for placing the signal wire of the sliding resistor 21 is formed on one side of the third fixing plate 13 of the second fixing plate 12, so that the signal wire is easier to arrange and maintain.
The transmission module 3 is provided with at least one internal thread hole 31 for installing the transmission rod 5 matched with the transmission rod of the circuit breaker and an assembling hole 32 for assembling a bolt, wherein the transmission module 3 is connected with the hoop of the transmission rod of the circuit breaker through one end of the bolt, the other end of the bolt is fixed with the sliding block 22, the transmission rod 5 and the internal thread hole 31 form a fixed arm, the bolt, the assembling hole 32 and the sliding block 22 form another fixed arm, and the two fixed arms are connected with the transmission rod of the circuit breaker to form a moving device, so that when the transmission rod of the circuit breaker moves, the transmission module 3 is driven to move, and the sliding block 22 can slide in the sliding groove 211.
In order to ensure that the sliding block 22 achieves better movement effect, a transmission groove 221 is formed on the sliding block 22; wherein, the driving rod 5 can be clamped in the driving groove 221 through any internal threaded hole 31.
In order to facilitate the switching between the signal lines and improve the service life of the signal lines, the signal leading-out module 4 is a signal junction box, at least one first fixing hole 43 for fixing with the mounting bracket module 1 and a signal adapter 44 are formed on the signal leading-out module, and both ends of the signal adapter 44 are respectively provided with a wiring terminal 41 for connecting with the signal line of the signal leading-out end 212 of the sliding resistor 21 and a wiring plug 42 for connecting with the signal line of the measuring instrument.
Furthermore, a plug mounting hole 45 for mounting the signal adapter 44 is formed on one side of the signal junction box, and a convex ring 441 is formed between the two ends of the signal adapter 44; when the signal adapter 44 is mounted on the plug mounting hole 45, the connection terminal 41 is located on the inner side of the signal terminal box, the protrusion ring 441 is clamped on the outer side of the signal terminal box, and the connection plug 42 is located on the outer side of the signal terminal box, so that the signal line of the sliding resistor 21 can have safety.
The utility model discloses linear velocity sensor's theory of operation in the example does: when the transmission rod of the circuit breaker moves, the transmission module 3 moves along with the transmission rod 5, so that the sliding block 22 is driven to slide in the sliding groove 211, the value of the sliding resistor 21 changes, when the sliding block 22 slides to the first position of the sliding groove 211, the value of the sliding resistor 21 is minimum, when the sliding block 22 slides towards the second position direction or the first position, the value of the sliding resistor 21 gradually increases or decreases, when the sliding block 22 slides to the second position, the value of the sliding resistor 21 is maximum, the changed resistance value can be transmitted to a measuring instrument to complete the recording of the action stroke curve of the circuit breaker after a signal wire led out by the signal leading-out module 4 is switched to the wiring plug 42 through the wiring terminal 41, and the measurement of the just-breaking rigid-closing speed of the circuit breaker is realized.
Implement the embodiment of the utility model provides a, following beneficial effect has:
1. in the embodiment of the utility model, the sensor adopts the modular design, so the structure is simple and the installation is convenient;
2. the embodiment of the utility model provides an in, owing to drive the transmission rod through the transfer line of circuit breaker and drive the transmission module motion to the slider of control linear sliding resistance module slides in sliding resistance's spout, arouses sliding resistance's linear change, draws forth the measuring apparatu through the signal line again on, accomplishes the record ripples of circuit breaker action stroke curve, has realized just dividing the measurement of closing the speed just to the circuit breaker.
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (10)
1. A linear speed sensor is connected with a measuring instrument and then matched with a circuit breaker, and is characterized by comprising a mounting bracket module (1), a linear sliding resistance module (2), a transmission module (3) and a signal leading-out module (4); wherein,
the mounting bracket module (1) is fixed with the circuit breaker;
the linear sliding resistance module (2) is arranged on the mounting bracket module (1) and comprises a sliding resistance (21) and a sliding block (22); wherein, a concave sliding groove (211) which is matched with the sliding block (22) and has a certain length and a signal connecting end (212) are formed on the sliding resistor (21);
the transmission module (3) is arranged on the sliding block (22) and is matched with a transmission rod of the circuit breaker to drive the sliding block (22) to slide in the sliding groove (211);
the signal leading-out module (4) is arranged on the mounting support module (1), and a wiring terminal (41) used for being connected with a signal wire led out from the signal connecting end (212) and a wiring plug (42) used for being connected with a signal wire of the measuring instrument are respectively formed on the signal leading-out module.
2. A sensor according to claim 1, characterized in that the value of the sliding resistance (21) is minimal when the slider (22) slides in the slide slot (211) to a first position; when the slider (22) slides to a second position in the slide groove (211), the value of the slide resistance (21) is maximum.
3. The sensor according to claim 2, characterized in that the value of the sliding resistance (21) decreases progressively as the slider (22) slides in the chute (211) towards the first position; when the slider (22) slides in the slide groove (211) toward the second position, the value of the slide resistance (21) gradually increases.
4. The sensor according to claim 1, characterized in that the transmission module (3) is formed with at least one internally threaded hole (31) for mounting a transmission rod cooperating with the transmission rod of the circuit breaker and a mounting hole (32) for mounting a bolt, wherein the transmission module (3) is connected to the hoop of the transmission rod of the circuit breaker by one end of the bolt and fixed to the slider (22) by the other end of the bolt.
5. The sensor according to claim 4, wherein the slider (22) is formed with a transmission groove (221); wherein the driving rod can be clamped in the driving groove (221) through any internal threaded hole (31).
6. The sensor according to claim 1, characterized in that the signal extraction module (4) is a signal junction box, which is formed with at least a first fixing hole (43) for fixing with the mounting bracket module (1) and a signal adapter (44), and the two ends of the signal adapter (44) are respectively provided with a connection terminal (41) for connecting with the signal line extracted from the signal connection end (212) and a connection plug (42) for connecting with the signal line of the measuring instrument.
7. The sensor of claim 1, wherein the signal connector block has a plug mounting hole (45) formed in one side thereof for mounting the signal adapter (44), the signal adapter (44) having a raised ring (441) formed therebetween; when the signal adapter (44) is installed on the plug installation hole (45), the wiring terminal (41) is located on the inner side of the signal wiring box, the protruding ring (441) is clamped on the outer side of the signal wiring box, and the wiring plug (42) is located on the outer side of the signal wiring box.
8. A sensor according to claim 1, wherein the mounting bracket module (1) comprises a first fixing plate (11), a second fixing plate (12) and a third fixing plate (13); wherein,
the first fixing plate (11) is provided with at least one second fixing hole (111) for fixing the circuit breaker;
the second fixing plate (12) is vertically fixed on the first fixing plate (11) through bolts;
the third fixing plate (13) is parallel to the first fixing plate (11), is fixed to the second fixing plate (12), and is provided with the linear sliding resistor module (2).
9. The sensor according to claim 8, characterized in that said third fixing plate (13) is L-shaped, fixed at one end to said second fixing plate (12) and parallel to said first fixing plate (11), and at the other end perpendicular to said first fixing plate (11).
10. The sensor according to claim 9, characterized in that the second fixing plate (12) is formed with a wire groove (121) for receiving the signal wire of the sliding resistor (21) at one side of the third fixing plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536640.XU CN204065123U (en) | 2014-09-16 | 2014-09-16 | Linear speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536640.XU CN204065123U (en) | 2014-09-16 | 2014-09-16 | Linear speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065123U true CN204065123U (en) | 2014-12-31 |
Family
ID=52206608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420536640.XU Withdrawn - After Issue CN204065123U (en) | 2014-09-16 | 2014-09-16 | Linear speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237552A (en) * | 2014-09-16 | 2014-12-24 | 深圳供电局有限公司 | Linear speed sensor |
-
2014
- 2014-09-16 CN CN201420536640.XU patent/CN204065123U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237552A (en) * | 2014-09-16 | 2014-12-24 | 深圳供电局有限公司 | Linear speed sensor |
| CN104237552B (en) * | 2014-09-16 | 2017-06-06 | 深圳供电局有限公司 | Linear speed sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20170606 |
|
| AV01 | Patent right actively abandoned |