CN220585890U - Temperature control bridge - Google Patents
Temperature control bridge Download PDFInfo
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- CN220585890U CN220585890U CN202321941759.0U CN202321941759U CN220585890U CN 220585890 U CN220585890 U CN 220585890U CN 202321941759 U CN202321941759 U CN 202321941759U CN 220585890 U CN220585890 U CN 220585890U
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- measuring element
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- 230000005540 biological transmission Effects 0.000 claims description 24
- 239000003973 paint Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims 1
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- 238000007689 inspection Methods 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Abstract
The utility model provides a temperature control bridge, which comprises a bridge body, wherein a plurality of cables are laid in the bridge body, a passive temperature measuring element for detecting the temperature of the cables and externally transmitting temperature data and a self-induction power supply coil for supplying power to the passive temperature measuring element are also arranged in the bridge body, each cable is at least partially positioned in the self-induction power supply coil, one end of the self-induction power supply coil is electrically connected with the positive electrode of a power supply circuit in the passive temperature measuring element, and the other end of the self-induction power supply coil is electrically connected with the negative electrode of the power supply circuit in the passive temperature measuring element. The utility model provides a temperature control bridge, which can monitor the internal temperature of a power supply and distribution bridge positioned at a high position in real time, is convenient for power inspection personnel to know the heating condition of a cable in the bridge in time, and can judge whether the power utilization hidden danger exists in time and perform inspection in time, thereby ensuring the power utilization safety and avoiding fire caused by power failure.
Description
Technical Field
The utility model relates to the field of cable temperature monitoring in a bridge, in particular to a temperature control bridge.
Background
The cables in the power supply and distribution system are mainly laid in the bridge, and the number of the cables in the bridge is large due to the fact that the load is increased or the model of the designed bridge is smaller, the cables are fast in heating in power transmission operation, the cables are long-term in heating operation, the insulation and the service life of the cables can be seriously affected, and even fire disasters can be caused due to power faults.
Various load bridges are laid in the suspended ceiling or at high positions in public areas and indoors, the heating condition in the bridge is difficult to find by observation, and electric power inspection staff cannot effectively judge whether potential electric hazards exist or not.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a temperature control bridge so as to meet the real-time monitoring of the internal temperature of a power supply and distribution bridge, and when the monitoring temperature is too high, an electric power inspection personnel can check and process in time to ensure the safety of electricity.
The utility model is realized in the following way:
the utility model provides a temperature control bridge, which comprises a bridge body, wherein a plurality of cables are laid in the bridge body, a passive temperature measuring element for detecting the temperature of the cables and externally transmitting temperature data and a self-induction power supply coil for supplying power to the passive temperature measuring element are also arranged in the bridge body, each cable is at least partially positioned in the self-induction power supply coil, one end of the self-induction power supply coil is electrically connected with the positive electrode of a power supply circuit in the passive temperature measuring element, and the other end of the self-induction power supply coil is electrically connected with the negative electrode of the power supply circuit in the passive temperature measuring element.
Further, a wireless transmission module for externally transmitting the detected temperature data is arranged in the passive temperature measuring element, and the power supply circuit is electrically connected with the wireless transmission module.
Further, the wireless transmission module adopts a Zigbee wireless transmission module.
Further, the temperature control bridge further comprises an energy efficiency controller, wherein the energy efficiency controller is located on the outer side of the bridge body, and the wireless transmission module is connected with the energy efficiency controller.
Further, a passive temperature measuring element is arranged in each bridge body.
Further, the outer surface of the bridge body is coated with thermochromic paint.
Further, along the circumference of the bridge body, the outer surface of the bridge body is coated with a plurality of circles of thermochromic paint, and each circle of thermochromic paint is arranged at intervals along the extending direction of the bridge body.
The utility model has the following beneficial effects:
the utility model provides a temperature control bridge, which can monitor the internal temperature of a power supply and distribution bridge positioned at a high position in real time, is convenient for power inspection personnel to know the heating condition of a cable in the bridge in time, and can judge whether the power utilization hidden danger exists in time and perform inspection in time, thereby ensuring the power utilization safety and avoiding fire caused by power failure.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a temperature control bridge provided in an embodiment of the present utility model;
fig. 2 is a schematic diagram of data transmission in a building according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a self-induction power supply coil according to an embodiment of the present utility model wrapping all cables in a bridge.
In the figure: bridge 1, passive temperature measuring element 2, cable 3, self-induction power supply coil 4, energy efficiency controller 5, block terminal 6, server 7.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, an embodiment of the present utility model provides a temperature control bridge, including a bridge body (i.e. a bridge 1 shown in the drawing), in which a plurality of cables 3 are laid, a passive temperature measuring element 2 for detecting a cable temperature and externally transmitting temperature data, and a self-induction power supply coil 4 for supplying power to the passive temperature measuring element 2 are further disposed in the bridge body, each cable 3 is at least partially located in the self-induction power supply coil 4, in this embodiment, the self-induction power supply coil 4 is wrapped around all cables in the bridge by using a whole wire, one end of the self-induction power supply coil 4 is electrically connected with an anode of a power supply circuit in the passive temperature measuring element 2, and the other end of the self-induction power supply coil 4 is electrically connected with a cathode of the power supply circuit in the passive temperature measuring element 2. In this embodiment, the self-induction power supply coil 4 is wound by a wire. And a passive temperature measuring element 2 is arranged in each bridge body. Each passive temperature measuring element 2 corresponds to one self-induction power supply coil 4. The passive temperature measuring element 2 is generally arranged in the main bridge frame of each floor in the building, the number of cables in the main bridge frame is large, the current amount is large, and the power utilization safety of the floor can be effectively monitored by monitoring the temperature of the cables in the main bridge frame. If the floor has large electricity consumption, a plurality of main bridges are arranged, and a passive temperature measuring element 2 is arranged in each main bridge. As optimization, the outer surface of the bridge frame 1 is coated with thermochromic paint, so that power inspection personnel can be assisted in roughly knowing the temperature in the bridge frame 1. The thermochromic paint is green when the temperature is not higher than 60 degrees and red when the temperature is higher than 60 degrees, and is an existing product and is not described in detail herein; further, along the circumference of the bridge body, the outer surface of the bridge body is coated with a plurality of circles of thermochromic paint, and each circle of thermochromic paint is arranged at intervals along the extending direction of the bridge body.
The passive temperature measuring element 2 in the bridge frame needs to transmit temperature data to the server 7 in the central control room, and wired 485 communication is very inconvenient; in this embodiment, a wireless transmission module for externally transmitting the detected temperature data is disposed in the passive temperature measuring element 2, and the power supply circuit is electrically connected with the wireless transmission module. The wireless transmission module adopts a Zigbee wireless transmission module.
According to the embodiment, the temperature control bridge further comprises an energy efficiency controller 5 electrically connected with the server 7, the energy efficiency controller 5 is located on the outer side of the bridge body, and the wireless transmission module is in wireless signal connection with the energy efficiency controller 5. The energy efficiency controller 5 and the server 7 of the central control room of the building can be connected by a wire (such as a wire RS485 connection).
The temperature control bridge consists of a conventional metal bridge 1 (bridge body), passive temperature measuring elements 2 and an energy efficiency controller 5, wherein each floor is provided with elements according to actual conditions, and the measured data of the passive temperature measuring elements 2 are fed back to the energy efficiency controller 5 of the floor nearby so as to meet the requirement of monitoring the internal temperature of the bridge.
The self-induction power supply principle of the utility model: according to the electromagnetic induction principle, a self-induction power supply coil 4 is arranged in the bridge, and when the cable runs for a long time in a live state (380V, > 20A), the self-induction power supply coil 4 can induce electric energy for the passive temperature measuring element 2 to work.
The self-induction power supply coil 4 should cover all the cables 3 in the bridge frame, so as to ensure continuous induction power supply. In the utility model, the self-induction power supply coil 4 is wrapped on all cables by adopting a whole wire, and two ends of the coil are respectively connected with the positive electrode and the negative electrode of a power supply circuit in the passive temperature measuring element 2. The voltage required by the passive temperature measuring element 2 is not great, and it is generally sufficient to wind the self-induction power supply coil 4 on the cable only for a few turns to provide the working voltage of the passive temperature measuring element 2. The more turns the self-induction power supply coil 4 winds around the cable, the higher the magnetic saturation value, i.e. the voltage that can be induced.
The energy efficiency controller 5 is an existing electric energy efficiency management controller, the type that the energy efficiency controller 5 can adopt is for example an existing eastern Kazaki TOKY-PMS2.0, the energy efficiency controller 5 is usually installed in a building with large electricity consumption (for example in a part of office buildings), the energy efficiency controller 5 is used for energy consumption management and electric power monitoring in the building, the energy efficiency controller 5 is electrically connected with a distribution box 6 in the building, ammeter data in the distribution box 6 are remotely transmitted (PM in FIG. 2 means remote transmission) to the energy efficiency controller 5, electric energy monitoring is realized through a server 7 in a central control room, workers can know places with large electricity consumption in the building conveniently, and then energy consumption in the places is effectively reduced by taking measures.
The utility model utilizes the existing energy efficiency controller 5 in the building to transmit data, thereby effectively reducing the cost, namely, the temperature data measured by the passive temperature measuring element 2 is transmitted to the energy efficiency controller 5, and is transmitted to the server 7 in the central control room by the energy efficiency controller 5.
The passive temperature measuring element 2 is internally integrated with a temperature measuring sensor, a data processor (such as a singlechip) for analog-to-digital conversion, a wireless transmission module (such as a Zigbee wireless transmission module) and a power supply circuit, the singlechip processes temperature information measured by the temperature measuring sensor and then externally transmits the temperature information through the Zigbee wireless transmission module, the power supply circuit supplies power for the temperature measuring sensor, the data processor and the wireless transmission module in the passive temperature measuring element 2, and temperature data measured by the passive temperature measuring element 2 are transmitted to the energy efficiency controller 5 of the building through the Zigbee wireless transmission module. The energy efficiency controller 5 can be installed in the stairwell of each floor or other suitable positions according to practical situations, and is preferably installed at the height of the stairwell when installed in the stairwell.
In the present utility model, as shown in fig. 2, the passive temperature measuring element 2 and the distribution box 6 in each floor transmit the measured data to the energy efficiency controller 5 of the floor, and the measured data are transmitted to the server 7 in the central control room by the energy efficiency controller 5 of the floor, and can be displayed on the display screen of the central control room. A building is provided with a central control room.
In this embodiment, the passive temperature measuring element 2 may be of a type of a schrader temperature intelligent monitor EasergyTH110, and in this embodiment, the power supply of the passive temperature measuring element 2 is provided by an external self-induction power supply coil 4. The passive temperature measuring element 2 is small and only one quarter of the palm is large. As shown in fig. 3, the self-induction power supply coil 4 can be wound into an elliptical shape, i.e. the cross section of the self-induction power supply coil 4 perpendicular to the extending direction of the cable is elliptical, so that the passive temperature measuring element 2 better rests on the self-induction power supply coil 4. A cable groove frame can be arranged in the bridge frame 1, a plurality of cable placing grooves are formed in the cable groove frame, the cable placing grooves are arranged at intervals along the width direction of the bridge frame 1, cables are placed in the cable placing grooves, the cable placing grooves are convenient for arrangement of the cables, and the problem of messy placement of the cables is avoided; the outer surface of the cable groove frame can be coated with an insulating layer, so that a good insulating effect can be achieved when the cable is broken.
The cable in the power supply and distribution bridge stably runs in a long-term electrified way, the normal voltage level is 380V, the main cable running current is tens to hundreds of amperes, the self-induction power supply coil 4 can induce the voltage above 30V, the passive temperature measuring element 2 works sufficiently, and the power supply problem of the passive temperature measuring element 2 in the bridge is solved.
The passive temperature measuring element 2 in the bridge frame needs to transmit temperature data to the server 7 in the central control room, and wired 485 communication is very inconvenient, so that wireless Zigbee technology is adopted to transmit the temperature data to the energy efficiency controller 5 in the layer nearby, and the temperature data are transmitted to the server 7 after being converted.
The self-induction power supply coil 4 needs to consider long-term stable operation and ensure the power supply of the passive temperature measuring element 2. The self-induction power supply coil 4 has magnetic saturation, when the current flowing in the cable 3 is overlarge, the self-induction power supply coil 4 presents magnetic circuit saturation characteristics, the induced voltage is not increased any more, the self-induction power supply coil 4 is prevented from being damaged when the running current of the cable 3 is overlarge, and the self-induction power supply coil 4 and the passive temperature measuring element 2 are protected.
The utility model provides a temperature control bridge frame, which can monitor the internal temperature of a power supply and distribution bridge frame positioned at a high position in real time, and display temperature data on a display screen of a central control room, so that electric power inspection personnel can conveniently and timely know the heating condition of a cable in the bridge frame, can timely judge whether electric potential hazards exist or not, can timely perform inspection treatment, ensures the safety of electricity consumption, and avoids fire caused by electric power faults.
The utility model provides a temperature control bridge, which is mainly used in a power supply and distribution system and adopts a self-induction power supply and Zigbee technology wireless transmission mode.
The utility model can realize the real-time monitoring of the internal temperature of the bridge, and can meet the monitoring of the internal temperature of the bridge at special positions such as in-situ suspended ceilings, in electric wells and the like. Meanwhile, the server side directly observes, and is convenient and efficient.
The utility model adopts a direct induction power supply mode to wirelessly transmit data, and utilizes the energy efficiency controller to transmit information, thereby effectively reducing the cost and simultaneously ensuring the real-time monitoring of the internal temperature of the bridge. The utility model improves the power supply safety and saves the later operation and maintenance cost.
What is not described in detail in this specification is prior art known to those skilled in the art.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a control by temperature change crane span structure, includes the crane span structure body, this internal a plurality of cables of having laid of crane span structure, its characterized in that: the bridge frame body is internally provided with a passive temperature measuring element for detecting the temperature of cables and externally transmitting the temperature data, and a self-induction power supply coil for supplying power to the passive temperature measuring element, wherein each cable is at least partially positioned in the self-induction power supply coil, one end of the self-induction power supply coil is electrically connected with the positive electrode of a power supply circuit in the passive temperature measuring element, and the other end of the self-induction power supply coil is electrically connected with the negative electrode of the power supply circuit in the passive temperature measuring element.
2. The temperature-controlled bridge of claim 1, wherein: and a wireless transmission module for externally transmitting the detected temperature data is arranged in the passive temperature measuring element, and the power supply circuit is electrically connected with the wireless transmission module.
3. The temperature-controlled bridge of claim 2, wherein: the wireless transmission module adopts a Zigbee wireless transmission module.
4. The temperature-controlled bridge of claim 2, wherein: the energy efficiency control device is characterized by further comprising an energy efficiency controller, wherein the energy efficiency controller is positioned on the outer side of the bridge body, and the wireless transmission module is connected with the energy efficiency controller.
5. The temperature-controlled bridge of claim 1, wherein: and a passive temperature measuring element is arranged in each bridge body.
6. The temperature-controlled bridge of claim 1, wherein: the outer surface of the bridge body is coated with thermochromic paint.
7. The temperature-controlled bridge of claim 6, wherein: along the circumference of crane span structure body, the surface coating of crane span structure body has a plurality of circles thermochromic paint, and each circle thermochromic paint is followed the extending direction interval setting of crane span structure body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941759.0U CN220585890U (en) | 2023-07-21 | 2023-07-21 | Temperature control bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941759.0U CN220585890U (en) | 2023-07-21 | 2023-07-21 | Temperature control bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220585890U true CN220585890U (en) | 2024-03-12 |
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ID=90117686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321941759.0U Active CN220585890U (en) | 2023-07-21 | 2023-07-21 | Temperature control bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220585890U (en) |
-
2023
- 2023-07-21 CN CN202321941759.0U patent/CN220585890U/en active Active
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