CN217303888U - Incinerator system and stay cord displacement sensor thereof - Google Patents
Incinerator system and stay cord displacement sensor thereof Download PDFInfo
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- CN217303888U CN217303888U CN202221352888.1U CN202221352888U CN217303888U CN 217303888 U CN217303888 U CN 217303888U CN 202221352888 U CN202221352888 U CN 202221352888U CN 217303888 U CN217303888 U CN 217303888U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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Abstract
The utility model discloses an burn burning furnace system and stay cord displacement sensor thereof, it includes: a box body; the first end of the pull rope penetrates out of the box body and is used for being connected with the moving piece; the pull rope length changing assembly is connected with the second end of the pull rope and is used for changing the length of the pull rope extending out of the box body; the tension sensor is used for acquiring tension of the pull rope and arranged in the box body, one end of the tension sensor is fixedly connected with the box body, and the other end of the tension sensor is connected with the pull rope length change assembly. The displacement of stay cord is converted into the deformation volume of elastic component, and then converts into the pulling force of elastic component, acquires behind the stay cord pulling force value and exports the signal of telecommunication that can supply the third party to receive through force sensor, finally obtains the displacement value of stay cord. The rotary inductor is not needed in the mode, so that the detection result is not influenced by the winding condition of the pull rope on the hub, and the mode of detecting the pull force is not influenced by the environment and the assembly, so that the detection result is more accurate, and the detection accuracy is effectively ensured.
Description
Technical Field
The utility model relates to a sensor technology field, in particular to burn burning furnace system and stay cord displacement sensor thereof.
Background
At present, with the increasing of economy and the accelerating of urbanization process, the increasing of municipal domestic garbage, the garbage incineration power generation is used as the best mode for treating domestic garbage in a reduction, harmless and recycling way, and the traditional garbage landfill treatment mode is gradually replaced. The incinerator is used as a device for incinerating household garbage, and undergoes innovative stages from introduction, digestion and absorption.
In the using process of the household garbage incinerator, the feeding reliability of the pusher plays an important role in long-term safe and stable operation of the household garbage incinerator. When the garbage pushing device works, garbage falling from a feeding port is pushed into a hearth from a pusher platform through the movement of the pusher, the garbage in the hearth is combusted on a grate, the pusher needs to work continuously in order to ensure that the grate always has the garbage with stable thickness, and the speed of the pusher is measured by a stay cord displacement sensor.
The pull rope displacement sensor is also called a pull rope sensor, a pull rope electronic ruler and a pull rope encoder. The pull rope displacement sensor is a delicate structure of a linear displacement sensor, fully combines the advantages of an angle sensor and the advantages of the linear displacement sensor, and is a sensor with small installation size, compact structure, large measurement stroke and high precision, and the stroke is different from hundreds of millimeters to dozens of meters.
During the use, stay cord displacement sensor installs on fixed position, and the stay cord is connected on moving object, and when the motion took place, the stay cord extended or shrink to drive wheel hub and rotation inductor rotation, the output signal of telecommunication.
The function of a pull cord displacement sensor is to convert mechanical motion into an electrical signal that can be metered, recorded or transmitted. Typically, the pull cord is wound around a hub that is coupled to a precision rotary sensor, which may be, in particular, an incremental encoder, an absolute encoder, a hybrid or conductive plastic rotary potentiometer, or the like. During the use, stay cord displacement sensor installs on fixed position, and the stay cord is connected on moving object, and when the motion took place, the stay cord extended or shrink to drive wheel hub and rotation inductor rotation, the output signal of telecommunication.
However, the above-mentioned methods using the rotary sensor detection are all indirect calculation methods, and since the rope arrangement diameter of each layer of the steel wire rope on the hub is different, the rope arrangement tightness degree and the number of turns of each layer are different, and various interference factors such as the climbing angle between layers, rope disorder, rope embedding, steel wire rope deformation and the like exist, the calculated rope inlet/outlet amount must deviate from the actual situation.
Therefore, how to improve the accuracy of detection of the pull rope displacement sensor is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a stay cord displacement sensor to improve the accuracy that stay cord displacement sensor detected. Furthermore, the utility model also provides an burn burning furnace system who has above-mentioned stay cord displacement sensor.
In order to achieve the above object, the utility model provides a following technical scheme:
a pull-cord displacement sensor, comprising:
a box body;
the first end of the pull rope penetrates out of the box body and is used for being connected with the moving piece;
the pull rope length change assembly is connected with the second end of the pull rope and is used for changing the length of the pull rope extending out of the box body;
and the tension sensor is arranged in the box body, one end of the tension sensor is fixedly connected with the box body, and the other end of the tension sensor is connected with the stay cord length change assembly.
Preferably, in the rope displacement sensor, the rope length changing unit includes:
and the elastic piece is arranged in the box body, one end of the elastic piece is connected with the second end of the pull rope, and the other end of the elastic piece is connected with the tension sensor.
Preferably, in the above string displacement sensor, the string length changing unit includes:
the first hub is rotatably arranged on a bracket of the box body, the tension sensor is positioned between the first end of the pull rope and the first hub, and the second end of the pull rope is fixed and wound on the first hub;
the elastic piece is arranged in the box body, one end of the elastic piece is fixed and can be wound on the first hub, and the other end of the elastic piece is connected with the tension sensor.
Preferably, in the above string displacement sensor, the string length changing unit includes:
the first hub is rotatably arranged on a bracket of the box body, the first hub is positioned between the tension sensor and the first end of the pull rope, and the second end of the pull rope is fixed and wound on the first hub;
the second hub is rotatably arranged on the bracket of the box body and is coaxially connected with the first hub;
and the elastic piece is arranged in the box body, one end of the elastic piece is fixed and can be wound on the second hub, and the other end of the elastic piece is connected with the tension sensor.
Preferably, in the above string displacement sensor, the first boss has a diameter larger than a diameter of the second boss.
Preferably, in the above string displacement sensor, the elastic member is an elastic string or a spring connected to a string;
when the elastic piece is a spring, the spring is wound through the connecting pull rope.
Preferably, in the above string displacement sensor, the tension sensor and the elastic member are arranged in line and in parallel with the string.
Preferably, in the above-mentioned displacement sensor with a pull rope, the case is a detachable case, and the pull rope is detachably connected to the pull rope length changing assembly.
An incinerator system comprising a pull cord displacement sensor, wherein the pull cord displacement sensor is any one of the above.
Preferably, the incinerator system further comprises a central control machine, the pull rope displacement sensor is in communication connection with the central control machine,
the pull rope displacement sensor or the central control machine stores a proportional relation between a tension signal of the tension sensor and the displacement of the first end of the pull rope; or the like, or, alternatively,
the pull rope displacement sensor or the central control machine is internally stored with a one-to-one corresponding relation between the tension signal of the tension sensor and the displacement of the first end of the pull rope.
The utility model discloses a stay cord displacement sensor has utilized elastic component and force sensor, converts the displacement of stay cord into the deformation volume of elastic component, and then converts the pulling force of elastic component into, acquires behind the stay cord pulling force value and exports through force sensor, finally obtains the displacement value of stay cord. The rotary inductor is not needed in the mode, so that the detection result is not influenced by the winding condition of the pull rope on the hub, and the mode of detecting the pull force is not influenced by the environment and the assembly, so that the detection result is more accurate, and the detection accuracy is effectively ensured.
Furthermore, the utility model also discloses an burn burning furnace system of burning with above-mentioned stay cord displacement sensor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a pull cord displacement sensor disclosed in an embodiment of the present invention;
fig. 2 is a top view of a pull cord displacement sensor disclosed in an embodiment of the present invention;
FIG. 3 is a length relationship diagram of the pull rope and the connection pull rope disclosed in the embodiment of the present invention;
FIG. 4 is a diagram illustrating the relationship between the deformation and the tension of an elastic member according to an embodiment of the present invention;
fig. 5 is a graph showing the relationship between the electrical signal output from the sensor and the pulling force according to the embodiment of the present invention;
fig. 6 is a graph showing the relationship between the electric signal output from the sensor and the displacement value of the pull cord according to the embodiment of the present invention;
the device comprises a pull rope 1, a box body 2, a first hub 3, a second hub 4, a support 5, a spring 6, a connecting pull rope 7 and a tension sensor 8.
Detailed Description
The utility model discloses a stay cord displacement sensor to improve the accuracy that stay cord displacement sensor detected. Furthermore, the utility model also discloses an burn burning furnace system of burning with above-mentioned stay cord displacement sensor.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
As shown in fig. 1 and 2, the utility model discloses a stay cord displacement sensor specifically includes: the pull rope comprises a pull rope 1, a box body 2, a first hub 3, a second hub 4, a support 5, a spring 6 and a tension sensor 8, wherein the first hub 3, the second hub 4, the support 5, the spring 6 and the tension sensor are positioned in the box body 2. Wherein, the pull rope 1 is wound on the first hub 3; the second hub 4 and the first hub 3 are coaxially and synchronously rotated and erected on the bracket 5; one end of the spring 6 is wound on the second hub through a connecting pull rope 7, and the other end of the spring is connected with the tension sensor 8.
Specifically, a first end of the pulling rope 1 is used for connecting with a moving member (not shown in the figure), and a second end of the pulling rope 1 is wound on the first hub 3, and it should be noted that the first end of the pulling rope 1 is a free end in fig. 1. Can set up to wire rope or nylon rope in the reality to stay cord 1, can select according to the application scene to the concrete material of stay cord 1, when application environment temperature is higher, then preferably wire rope to avoid the influence of high temperature to stay cord 1. Whereas the length and diameter of the pull cord 1 need to be selected in combination with the actual requirements.
The box body 2 is of a shell structure and used for protecting internal components, the structure of the box body 2 can be set according to the arrangement of the internal structure, and the size and the material of the box body can be set according to actual requirements. During installation, the first hub 3 and the second hub 4 are rotatably erected on the box body 2, and the tension sensor 8 is fixed on the box body 2.
In a specific embodiment, in order to facilitate maintenance and replacement of the structure inside the case 2, it is preferable that the case 2 is provided as an upper case and a lower case which are detachably coupled. During assembly, the first hub 3 and the second hub 4 are erected on the lower box body, the tension sensor 8 is fixed on the lower box body, and then the upper box body is hermetically connected with the lower box body so as to protect internal parts from dust.
It should be noted that, the box body 2 is provided with a through hole for the pull rope 1 to pass through, and a wear-resistant sleeve can be preferably arranged at the through hole, and the wear-resistant sleeve can be a rubber sleeve, so as to avoid hard contact between the pull rope 1 and the box body 2, and effectively alleviate the problem of contact wear between the box body 2 and the pull rope 1.
Fig. 1 and 2 both show the structure of the brackets 5, specifically, two brackets 5 are oppositely arranged, mounting holes are provided on the two brackets 5, and the shaft of the first hub 3 and the shaft of the second hub 4 are respectively arranged in the mounting holes. In order to prevent the first hub 3 and the second hub 4 from being mounted obliquely, it is necessary to ensure that the center lines of the mounting holes on the two brackets 5 coincide.
In addition, it needs to be ensured that the height of the mounting hole needs to be sufficient that when the pull rope 1 is completely wound on the first hub 3, the pull rope 1 wound on the first hub 3 does not contact and rub with the bottom surface, the top surface and the side surface of the box body 2.
What needs to be defined is that: when the pulling rope 1 wound around the first hub 3 is in the process of being pulled outwards, the connecting pulling rope 7 wound around the second hub 4 is in the process of pulling the spring 6.
The utility model discloses well first wheel hub 3 and second wheel hub 4 that involve are circular wheel hub structure. In practical application, the removal displacement of moving member is great, and consequently, the stay cord 1 of stay cord displacement sensor required stretching or the length of shrink is also longer, in order to guarantee accomodating of stay cord 1, sets up first wheel hub 3's diameter for great in this scheme, but need combine actual demand to first wheel hub 3's concrete size and set up.
If the pulling rope 1 is directly connected with the spring 6, the deformation distance of the spring 6 is too large, and since the space of the box body 2 is limited, in order to reduce the deformation distance of the spring 6 and ensure that the deformation of the spring 6 is synchronous with the contraction of the pulling rope 1, it is preferable to set the diameter of the second hub 4 to be smaller, that is, the diameter of the first hub 3 is larger than the diameter of the second hub 4. The diameter of the second hub 4 can be set according to the size of the box body 2, and it needs to be ensured that the axis of the first hub 3 and the axis of the second hub 4 are overlapped and rotate synchronously.
To achieve the above object, the first hub 3 and the second hub 4 may be connected by the same connecting shaft, and both ends of the connecting shaft may be bridged in the mounting holes of the bracket 5.
When the first hub 3 and the second hub 4 correspond to one mounting shaft respectively, one ends of the two mounting shafts need to be connected through a coupler, and the other ends of the two mounting shafts are erected on the two brackets 5 respectively. Reference is made to fig. 2 for a structure in which the first hub 3 and the second hub 4 are bridged on the bracket 5.
Combining the name of first wheel hub 3 and second wheel hub 4 can know, first wheel hub 3 and second wheel hub 4 are the disc that has the flange, carry on spacingly to stay cord 1 and connection stay cord 7 through the flange, can prevent that stay cord 1 and connection stay cord 7 from breaking away from respectively on first wheel hub 3 and second wheel hub 4, have reduced this stay cord displacement sensor's error rate, have improved the accuracy that detects.
Preferably, the outer diameter of the first hub 3 may be set to 159.2mm, and the circumference to 500 mm; the outer diameter of the second hub 4 is set to be 15.92mm, and the circumference is set to be 50 mm; in addition, the following should be noted: because first wheel hub 3 need realize receiving and releasing the process to stay cord 1, simultaneously, second wheel hub 4 also need receive and release connection stay cord 7, consequently, first wheel hub 3 and second wheel hub 4 all can just reverse, and is concrete, first wheel hub 3 and second wheel hub 4 all with connecting axle fixed connection, and the both ends of connecting axle are erect on support 5 through the bearing respectively.
When the pull rope 1 is moved by the moving piece in the direction far away from the box body 2, the first hub 3 rotates forwards and drives the second hub 4 to rotate forwards at the same time, and at the moment, the spring 6 is stretched; and when the moving member to the direction that is close to box 2 removed, stay cord 1 was released, and at this moment, the pulling force that spring 6 received disappears and connect stay cord 7 to drive the reversal of second wheel hub 4 under the effect of spring 6 restoring force, drives the reversal of first wheel hub 3 simultaneously, accomplishes accomodating of stay cord 1. The specific directions of forward rotation and reverse rotation need only be opposite.
Because the spring 6 is not easy to bend and not easy to wind on the second hub 4, a connecting pull rope 7 is also provided. Specifically, one end of the connecting rope 7 is fixed and wound on the second hub 4, and the other end is connected with the spring 6. Since the first hub 3 and the second hub 4 move coaxially and synchronously and the diameter of the first hub 3 is larger than that of the second hub 4, the angle of rotation of the first hub 3 and the angle of rotation of the second hub 4 are the same at the same time, but the winding length of the pulling rope 1 is larger than that of the connection pulling rope 7, and in view of this, the length of the connection pulling rope 7 may be set shorter than that of the pulling rope 1. So set up, still can reduce the volume of box 2, prevent that occupation space is too big.
In a specific embodiment, the total length of the pulling rope 1 can be set to 1200 mm; the total length of connecting the stay cord 7 is set to 120mm, and the stay cord 1 and the connecting stay cord 7 are not easy to deform because the reserved length is contained.
The connection between the above-described pull rope 1 and the movable member and the connection between the connection pull rope 7 and the spring 6 are preferably connected by a connector, so that the stability after the connection is ensured and the breakage is avoided. The type of connector can be selected in combination with the existing connector as long as the stability of the connection can be ensured.
As shown in fig. 1 and 2, the connection cord 7, the spring 6, and the tension sensor 8 are arranged in a line. Preferably, the connecting line between the connecting rope 7 and the spring 6 is horizontal and is perpendicular to the connecting shaft. The connection stay cord 2 does not have the inclination for the horizontal plane with first wheel hub 3 contact department promptly, has guaranteed that the pulling force that spring 6 received does not have vertical direction weight, and then has further guaranteed the accuracy.
In practice, the line connecting the cord 7 and the spring 6 is arranged parallel to the first end of the cord 1.
One end of the tension sensor 8 is connected with the spring 6, and the other end is fixed on the box body 2. When the tension sensor is used, the tension sensor 8 is connected with the central control machine through a sensor cable. The tension sensor 8 obtains tension generated by the deformation of the spring 6, and the tension sensor converts tension signals into electric signals to be transmitted to the display device of the central control machine.
In order to directly display the displacement of the first end of the pull rope 1, which needs to be measured by the pull rope displacement sensor, on the display device of the central control machine, a relational expression between the pulling force and the displacement can be prestored on the central control machine or in the pull rope displacement sensor. Specifically, the relationship between the pre-stored tension and the displacement is a linear function, and for specific parameter conditions, the setting needs to be combined with the elastic coefficient of the spring 6, for example, the relationship may be:
the tension sensor 8 outputs a tension kx, and the moving distance of the rope is L, which is akx + b, where a and b are coefficients.
The specific values of a and b are set by referring to the elastic coefficient of the spring 6, the diameters of the first and second hubs 3 and 4, the strength of the electric signal of the tension sensor, and the like, which will not be described in detail.
Referring to fig. 3 to 6, the present embodiment provides the relationship between the lengths of the pull cord 1 and the connection pull cord 7, the relationship between the deformation and the tension of the elastic member, the relationship between the electric signal output by the sensor and the tension, and the relationship between the electric signal output by the sensor and the displacement value of the pull cord 1.
In actual use, parameters in the relational expression can be modified by referring to the relational expression.
In addition, as can be understood by those skilled in the art, the corresponding relationship between the pulling force and the displacement can be prestored in the central control machine or the pull rope displacement sensor, that is, the corresponding relationship can be one-to-one. For example, when the pull value is 10N, the stored corresponding output displacement value is 600 mm; when the pull value is 20N, the corresponding output displacement value stored is 1000 mm. It should be noted that the pre-stored corresponding relationship can be set according to actual conditions and is within the protection range. The core here lies in that the corresponding relation is prestored in the pull rope displacement sensor, so that the tension signal is finally converted into the displacement value of the first end of the pull rope to be output.
The above is a detailed description of the whole scheme, but the present application is not limited to the above specific structure:
for example, the spring 6 mentioned above may also be another elastic member, such as an elastic rubber band or the like. Therefore, the spring 6 can be positioned as an elastic member including the spring 6. When the elastic rubber band is used, the connecting pull rope 7 does not need to be arranged.
Furthermore, regardless of the size of the case 2, only the first hub 3 may be provided, and both the pulling rope 1 and the elastic member may be wound around the first hub 3, it is necessary to limit that the elastic member is in a process of tensile deformation when the pulling rope 1 is in a process of outward stretching. In this way, the pull rope 1 and the elastic member extend from the same side of the first hub 3, and the elastic member and the tension sensor 8 are located on the side of the box body 2 close to the first end of the pull rope 1.
In other embodiments, the pull cord 1 may be directly connected to the elastic member and the tension sensor 8, but this may cause a certain amount of deformation, and if the elastic member is too long, a large space may be required for arrangement, and if the space is too small, the selected elastic member may be plastically deformed to cause damage.
Adopt above-mentioned embodiment, the stay cord displacement sensor disclosed in this application has utilized elastic component and force sensor 8, converts the displacement of stay cord 1 into the deformation volume of elastic component, and then converts into the pulling force of elastic component, acquires behind the stay cord pulling force value and exports through force sensor 8, finally obtains the displacement value of stay cord 1. The rotary inductor is not needed in the mode, so that the detection result is not influenced by the winding condition of the pull rope 1 on the hub, and the mode of detecting the pull force is not influenced by the environment and the assembly, so that the detection result is more accurate, and the detection accuracy is effectively ensured.
In addition, the two hubs are utilized in the application, and the pull rope 1 is only wound on the first hub 3, so that the box body 2 can be opened after the pull rope 1 is worn and broken, and only the pull rope 1 is replaced; in a similar way, if other parts are damaged, only the damaged part can be replaced, and the whole replacement is not needed, so that the later-stage operation and maintenance cost can be reduced.
In a further embodiment, the present application further discloses an incinerator system, which includes a pull rope displacement sensor, wherein the pull rope displacement sensor is the pull rope displacement sensor disclosed in the above embodiments, and therefore, the incinerator system having the pull rope displacement sensor also has all the above technical effects, which are not described in detail herein.
In practice, the incinerator system is provided with a central control machine to realize the man-machine interaction process of the incinerator, and specifically, the central control machine is provided with a display screen for displaying various parameter information in the working process.
In order to realize that the information output by the pull rope displacement sensor is the displacement value of the first end of the pull rope 1, the proportional relation between the tension signal of the tension sensor 8 and the displacement of the first end of the pull rope 1 can be stored in the pull rope displacement sensor or the central control machine; or, the pull rope displacement sensor or the central control machine stores the one-to-one corresponding relation between the tension signal of the tension sensor 8 and the displacement of the first end of the pull rope 1. The specific parameter content and the proportional relationship can refer to the content in the embodiment of the pull rope displacement sensor, and are not repeated herein.
As used in the present application and in the claims, the terms "a," "an," "the," and/or "the" are not intended to be exhaustive or to include the plural as well, unless the context clearly indicates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A pull cord displacement sensor, comprising:
a box body;
the first end of the pull rope penetrates out of the box body and is used for being connected with the moving piece;
the pull rope length change assembly is connected with the second end of the pull rope and is used for changing the length of the pull rope extending out of the box body;
and the tension sensor is arranged in the box body, one end of the tension sensor is fixedly connected with the box body, and the other end of the tension sensor is connected with the stay cord length change assembly.
2. The pull-cord displacement sensor of claim 1, wherein the pull-cord length change assembly comprises:
and the elastic piece is arranged in the box body, one end of the elastic piece is connected with the second end of the pull rope, and the other end of the elastic piece is connected with the tension sensor.
3. The pull-cord displacement sensor of claim 1, wherein the pull-cord length change assembly comprises:
the first hub is rotatably arranged on a bracket of the box body, the tension sensor is positioned between the first end of the pull rope and the first hub, and the second end of the pull rope is fixed and wound on the first hub;
the elastic piece is arranged in the box body, one end of the elastic piece is fixed and can be wound on the first hub, and the other end of the elastic piece is connected with the tension sensor.
4. The pull-cord displacement sensor of claim 1, wherein the pull-cord length change assembly comprises:
the first hub is rotatably arranged on a bracket of the box body, the first hub is positioned between the tension sensor and the first end of the pull rope, and the second end of the pull rope is fixed and wound on the first hub;
the second hub is rotatably arranged on the bracket of the box body and is coaxially connected with the first hub;
and the elastic piece is arranged in the box body, one end of the elastic piece is fixed and can be wound on the second hub, and the other end of the elastic piece is connected with the tension sensor.
5. The pull-cord displacement sensor of claim 4, wherein the diameter of the first hub is greater than the diameter of the second hub.
6. The pull-cord displacement sensor of any one of claims 3-5, wherein the elastic member is a bungee cord or a spring connected to a pull cord;
when the elastic piece is a spring, the spring is wound through the connecting pull rope.
7. The pull-cord displacement sensor of any one of claims 3-5, wherein the tension sensor and the elastic member are collinear and arranged parallel to the pull-cord.
8. The pull-cord displacement sensor of any one of claims 1-5, wherein the housing is a removable housing, the pull-cord being removably coupled to the pull-cord length change assembly.
9. An incinerator system comprising a pull string displacement sensor, wherein the pull string displacement sensor is as claimed in any one of claims 1 to 8.
10. The incinerator system of claim 9 further comprising a central control computer, said pull string displacement sensor communicatively coupled to said central control computer,
the pull rope displacement sensor or the central control machine stores the proportional relation between the tension signal of the tension sensor and the displacement of the first end of the pull rope; or the like, or, alternatively,
the pull rope displacement sensor or the central control machine is internally stored with a one-to-one corresponding relation between the tension signal of the tension sensor and the displacement of the first end of the pull rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221352888.1U CN217303888U (en) | 2022-06-01 | 2022-06-01 | Incinerator system and stay cord displacement sensor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221352888.1U CN217303888U (en) | 2022-06-01 | 2022-06-01 | Incinerator system and stay cord displacement sensor thereof |
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| CN217303888U true CN217303888U (en) | 2022-08-26 |
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| CN202221352888.1U Active CN217303888U (en) | 2022-06-01 | 2022-06-01 | Incinerator system and stay cord displacement sensor thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405163A (en) * | 2023-12-07 | 2024-01-16 | 科瑞工业自动化系统（苏州）有限公司 | Active error compensation method and system for stay cord encoder |
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2022
- 2022-06-01 CN CN202221352888.1U patent/CN217303888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117405163A (en) * | 2023-12-07 | 2024-01-16 | 科瑞工业自动化系统（苏州）有限公司 | Active error compensation method and system for stay cord encoder |
| CN117405163B (en) * | 2023-12-07 | 2024-03-26 | 科瑞工业自动化系统（苏州）有限公司 | Active error compensation method and system for stay cord encoder |
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