Electronic bus stop board heat dissipation device and electronic bus stop board
By installing heat dissipation modules and heating devices in the enclosure and control cabinet inside the electronic bus stop sign, combined with fans and airflow regulation, the problem of poor heat dissipation under extreme temperatures was solved, achieving stable operation and cost reduction.
Patent Information
- Application Number
- CN202423141639.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing electronic bus stop signs have poor heat dissipation in extreme temperature environments, leading to device damage or malfunction, and resulting in high maintenance costs.
Heat dissipation modules for the enclosure and control cabinet are installed inside the bus stop sign enclosure and control cabinet. Combined with temperature detection and heating devices, dynamic temperature control is achieved through fans and airflow adjustment devices.
It effectively improves heat dissipation, ensures that electronic components operate within a suitable temperature range, extends service life, and reduces maintenance costs.
Smart Images
Figure CN223798524U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of bus stop board, especially relates to a heat dissipation device of electronic bus stop board and electronic bus stop board. BACKGROUND
[0002] Intelligent electronic bus stop board is a new generation of application system which runs at bus stop, adopts global satellite positioning navigation technology (GPS), advanced communication mode, geographic information system technology (GIS-T), advanced video transmission technology and intelligent sensor organic combination. Make full use of bus intelligent scheduling management system's bus vehicle GPS station data, through technology docking, establish bus station forecast system. The product covers most of the bus stops, and publishes all the real-time station information of the bus vehicles on the line, which can provide real-time and accurate vehicle station forecast for waiting passengers. In addition, the product is attached with multimedia video playing, real-time video monitoring, passenger feedback suggestion, public information release service and other functions.
[0003] Intelligent electronic stop board as the product running in the outdoor, outdoor environment rainfall and sunshine are two important factors related to the operation of electronic products, rainwater into the equipment internal will cause circuit damage, device problem, sunshine will cause equipment content temperature too high, this needs intelligent electronic stop board to have certain requirement to waterproof and environmental temperature.
[0004] Electronic products have working environmental temperature, too low temperature, equipment cannot start, too high temperature will cause device damage. China's north-south span is large, from northeast to hainan, from winter to summer, the expected working temperature can be from minus 40 DEG C to zero plus 35-39 DEG C. Especially in summer, high solar radiation, through solar radiation will increase the temperature of the content of the stop board, the temperature of the product without heat dissipation facilities can reach above 80 DEG C, when the temperature cannot drop and exceed the set operating temperature value, will cause the product device damage, such as equipment black screen, cannot work normally, at this time, the replacement device will produce great maintenance cost. When the winter temperature is lower than the product operating temperature, such as minus 10 DEG C, ordinary device will not start, so the equipment also cannot run, cause the equipment whole machine stop working.
[0005] For low temperature and high temperature environment, the current electronic product, one is to replace the internal product with higher specification performance electronic device, the practice in a certain extent makes the product can use lower or higher temperature, but the cost of equipment increases more than doubled, and for too low or too high temperature environment also can not be applied; Two is to install a fan in the electronic product, the fan as a means of heat dissipation, and then through the temperature controller to cool down operation, control product internal temperature rise because of device itself heating and lighting, but in order to dissipate heat, need to set up ventilation opening on the cabinet, if the ventilation opening is too big, not only will cause rain into the shell inside, resulting in electronic device damage, at the same time, the heat preservation effect is not good, when the environment temperature is low, the equipment heat preservation is poor, the temperature is low, the equipment will not start; If the ventilation opening is too small, it will affect the heat dissipation effect, the internal heat of the product due to the temperature rise caused by not timely dissipation, also lead to equipment damage. SUMMARY
[0006] The technical problem solved by the utility model mainly is that an electronic bus stop board heat dissipation device is provided, which is beneficial to improving the heat dissipation efficiency of the bus stop board, increasing the service life of electronic devices and reducing maintenance costs, and an electronic bus stop board using the heat dissipation device is also provided.
[0007] To solve the above technical problem, the basic idea of the technical scheme of the utility model is as follows:
[0008] An electronic bus stop board heat dissipation device is provided, which is beneficial to improving the heat dissipation efficiency of the bus stop board, increasing the service life of electronic devices and reducing maintenance costs, and an electronic bus stop board using the heat dissipation device is also provided.
[0009] Further, the control cabinet heat dissipation module is installed at the bottom of the control cabinet.
[0010] Further, the cabinet heat dissipation module and the control cabinet heat dissipation module each include at least one fan.
[0011] Further, the fan is a axial flow fan or a cross flow fan.
[0012] Further, a heating device is installed in the control cabinet, the heating device is installed close to the control cabinet heat dissipation module and below the control cabinet heat dissipation module.
[0013] Further, a temperature detection device for detecting the temperature in the control cabinet is installed in the cabinet, the temperature detection device is connected with a controller, when the actual temperature T detected is lower than or equal to the low temperature set value T DSWhen the detected actual temperature T is lower than or equal to the low temperature setting value T GS When the detected actual temperature T is lower than or equal to the low temperature setting value T
[0014] Further, when the detected actual temperature T is lower than or equal to the low temperature setting value T DS When the detected actual temperature T is lower than or equal to the low temperature setting value T GS When the detected actual temperature T is lower than or equal to the low temperature setting value T
[0015] To solve the above technical problems, the second technical scheme of the utility model is:
[0016] An electronic bus stop board, wherein the electronic bus stop board heat dissipation device as described above is installed in the box body of the bus stop board.
[0017] Further, air volume adjusting devices for adjusting the air volume of the air inlets and outlets are respectively installed at the air inlets and outlets of the box body.
[0018] Further, when the detected actual temperature value T is lower than or equal to the low temperature setting value T DS , the air volume of the air inlets and outlets is adjusted to 0; when the detected actual temperature value T is higher than or equal to the high temperature setting value T GS , the air volume of the air inlets and outlets is adjusted to 100%.
[0019] In summary, the electronic bus stop board heat dissipation device and the electronic bus stop board provided by the utility model have the following advantages compared with the prior art:
[0020] (1) The utility model sets the box body heat dissipation module and the control cabinet heat dissipation module in the bus stop board, which is conducive to further strengthening the heat dissipation effect of the local control cabinet, thereby greatly improving the heat dissipation effect of the working environment in the box body, enabling the electronic devices in the box body to always operate normally in the appropriate working temperature range, increasing the service life of the electronic devices and reducing the maintenance cost.
[0021] (2) The utility model installs the heating device close to the control cabinet heat dissipation module, which is conducive to rapidly releasing the heat generated by the heating device to the entire control cabinet, rapidly increasing the temperature in the control cabinet to the working temperature of the electronic devices in a short time, not only achieving the heating effect, but also transferring the heat of the heating device by the control cabinet heat dissipation module, so that the heating device does not need to additionally set a fan, making the structure more simple and compact and reducing the cost.
[0022] The specific implementation manners of the utility model will be further described in detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0023] The accompanying drawings, which are part of the present application, serve to provide a further understanding of the present application, and the illustrative embodiments of the present application and their descriptions serve to explain the present application, but do not constitute an improper limitation on the present application. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0024] In the drawings:
[0025] Figure 1 is a schematic diagram of the station board structure of the present application;
[0026] Figure 2 is a schematic diagram of the internal structure of the station board of the present application Figure 1 ;
[0027] Figure 3 is a schematic diagram of the internal structure of the station board of the present application Figure 2 ;
[0028] Figure 4 is a schematic diagram of the air outlet adjusting assembly structure of the station board of the present application;
[0029] Figure 5 is a schematic diagram of the air outlet structure of the station board of the present application;
[0030] Figure 6 is a schematic diagram of the air inlet structure of the station board of the present application.
[0031] In the drawings:
[0032] Box 1, display screen 2, control cabinet 3, cabinet body 31, air inlet 4, air outlet 5, controller 6, 12V switching power supply 7, 24V switching power supply 8, fan power adapter board 9, router 10, display host 11, electrical safety control module 12, centralized controller 13, temperature detection device 14, temperature sensor 141, air volume adjusting device 15, air outlet adjusting assembly 151, reel 1511, roller shutter 1512, driving device 152, heating device 16, mounting frame 161, heating element 162, heat dissipation device 17, box heat dissipation module 171, control cabinet heat dissipation module 172, waterproof cover 18, top plate 181, side plate 182, bottom plate 183, filtering device 19.
[0033] It should be noted that the drawings and the written description are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0034] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, the following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.
[0035] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.
[0036] In the description of the utility model, it needs to be explained that unless another explicit provision and limitation, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0037] Embodiment one:
[0038] As shown in Figures 1 to 3 The utility model provides a kind of electronic bus stop heat dissipation device, install electronic bus stop on, electronic bus stop includes box 1, LCD display 2 is installed in the front of box 1, display screen 2 is connected with control cabinet 3, control cabinet 3 is installed in the inside of box 1 behind LCD display 2, air inlet 4 is opened in the box 1 below display screen 2, air outlet 5 is also provided on the box 1, air outlet 5 is arranged on the box 1 above display screen 2.
[0039] In the embodiment, electronic device is all concentratedly installed in control cabinet 3, the cabinet body 31 of control cabinet 3 is fixedly connected on box 1, the front of control cabinet 3 is the structure of open mouth, the cabinet body 31 of control cabinet 3 is mainly composed of frame and backboard.Control cabinet 3 is installed with controller 6 and multiple function modules, controller 6 and multiple function modules are respectively fixed on the backplate of control cabinet 3 by screw.Wherein, controller 6 is mainly used to carry out constant temperature control in box 1.Function module includes 12V switching power supply 7, 24V switching power supply 8, fan power adapter board 9, router 10, display host 11, electric safety control module 12, centralized controller 13 etc., display screen 2 is connected with centralized controller 13, and each function module is used to realize all the station board functions integrated by intelligent electronic bus stop.
[0040] In this embodiment, the air inlet 4 and the air outlet 5 are both provided with a plurality of holes on the cabinet 1. Further preferably, a dustproof filter screen (not shown in the figure) is installed at the air inlet 4 and the air outlet 5 to reduce the dust entering the cabinet 1 through the air inlet 4 and the air outlet 5, so as to keep the environment in the cabinet 1 clean. The dustproof filter screen can be installed at the air inlet 4 and the air outlet 5 by means of plug-in, clamping or directly by screws, which facilitates the daily cleaning and maintenance of the dustproof filter screen.
[0041] In this embodiment, the temperature detection device 14, the heating device 16 and the heat dissipation device 17 are installed in the cabinet 1. The temperature detection device 14, the heating device 16 and the heat dissipation device 17 are connected with the controller 6 and controlled by the controller 6. The controller 6 controls the operation of the heating device 16 and the heat dissipation device 17 according to the detected environment temperature of the electronic device, so as to adjust and control the environment temperature in the cabinet 3 and the cabinet 1 according to the temperature. When the temperature is high, the heat dissipation device 17 is used for heat dissipation to reduce the temperature in the cabinet 1. When the temperature is low, the heating device 16 is used to increase the temperature in the cabinet 1. In this way, the environment temperature in the cabinet 1 and the control cabinet 3 is always kept in a suitable temperature range, which ensures the safe and reliable operation of the electronic device in the station board, prolongs the service life of the electronic device and reduces the maintenance cost of the station board.
[0042] As shown in Figure 5 and Figure 6 In this embodiment, further preferably, a waterproof cover 18 is installed at the air inlet 4 and the air outlet 5, respectively, which can prevent rainwater from entering the inside of the cabinet 1 through the air inlet 4 and the air outlet 5. Figure 5 and Figure 6 As shown in Figure 5 and Figure 6 The waterproof cover 18 is composed of a top plate 181, a side plate 182 and a bottom plate 183. One side of the top plate 181 and the bottom plate 183 is welded on the cabinet 1. The side plate 182 is installed obliquely relative to the wall plate of the cabinet 1, that is, the width of the bottom plate 183 is greater than the width of the top plate 181. A ventilation opening (not marked in the figure) is provided on the side plate 182. The environment in the cabinet 1 is communicated with the outside through the ventilation opening on the side plate 182 and the air inlet 4 and the air outlet 5 on the cabinet 1.
[0043] The side plate 182 adopts an inclined structure, which can effectively prevent the rainwater entering through the air inlet 4 and the air outlet 5 from entering the inside of the cabinet 1 through the ventilation opening on the side plate 182. The rainwater entering the inside of the waterproof cover 18 will be collected on the bottom plate 183 and then discharged through a drainage hole (not shown in the figure) on one side.
[0044] In this embodiment, on the basis of the filter screen at the air inlet 4, a filter device 19 is further installed on the side plate 182 of the waterproof cover 18 at the air inlet 4, which can adopt a rainwater filter, a non-woven fabric filter device, etc., to improve the filtering effect of the air inlet 4 and improve the cleanliness of the air in the box 1.
[0045] As shown in Figure 2 and Figure 3 In this embodiment, the heat dissipation device 17 includes a box heat dissipation module 171 and a control cabinet heat dissipation module 172, the box heat dissipation module 171 is installed at the air outlet 5 of the box 1, and the control cabinet heat dissipation module 172 is installed in the control cabinet 3. In this way, by arranging the control cabinet heat dissipation module 172, the heat dissipation effect of the local part in the control cabinet 3 can be further improved, and in cooperation with the box heat dissipation module 171, the heat dissipation effect of the working environment in the box 1 can be greatly improved.
[0046] In this embodiment, it is further preferred that the control cabinet heat dissipation module 172 is installed at the bottom of the control cabinet 3, above the air inlet 4.
[0047] In this embodiment, the box heat dissipation module 171 and the control cabinet heat dissipation module 172 each include at least one fan, and in order to improve the heat dissipation effect of the fan, it is more preferred to adopt an axial flow fan, such as four axial flow fans can be installed at the air outlet 5, and four axial flow fans can also be installed at the bottom of the control cabinet 3. Of course, the box heat dissipation module 171 and the control cabinet heat dissipation module 172 can also respectively adopt one cross-flow fan. All the fans are connected with the controller 6 and are controlled by the controller 6, the controller 6 can control the number, power and speed of the axial flow fans to change the heat dissipation effect, and by controlling the operation of the axial flow fans in different heat dissipation modules, the maximum heat dissipation capacity can be achieved, and the working of the station board in the hot environment in summer can be effectively ensured.
[0048] In this embodiment, it is further preferred that the four axial flow fans installed at the air outlet 5 are fixedly installed on the side plate 182 of the waterproof cover 18 at the air outlet 5, the four axial flow fans are arranged side by side along the length direction of the side plate 182, four ventilation openings are formed on the side plate 182, and one axial flow fan is fixedly installed at each ventilation opening by screws. The four axial flow fans drive the air flow in the box 1 to discharge the heat in the box 1.
[0049] In the embodiment, the heating device 16 is installed in the control cabinet 3, and is preferably installed close to the bottom of the control cabinet heat dissipation module 172. When the temperature is low, the heating device 16 is started until the starting temperature of the electronic device is reached. At this time, the control cabinet heat dissipation module 172 can be started, and the heat generated by the heating device 16 is quickly released to the entire control cabinet 3, so that the temperature in the control cabinet 3 quickly rises to the working temperature of the electronic device in a short time. Not only the heating effect can be achieved, but also the heat loss can be greatly reduced. At the same time, the heat dissipation module 172 of the control cabinet is used to transfer the heat of the heating device 16, and the heating device 16 does not need to be additionally provided with a fan, so that the structure is more simple and compact, and the cost is reduced.
[0050] In the embodiment, the heating device 16 further preferably includes a mounting frame 161 and a heating element 162. The mounting frame 161 is fixedly installed on the cabinet body 31 of the control cabinet 3, and the heating element 162 is installed in the mounting frame 161. The heating element 162 is preferably a heating rod, a heating wire, a heating plate or the like.
[0051] In the embodiment, the temperature detection device 14 is used to collect the working environment temperature of the electronic device inside the box body 1, and is further preferably installed at the highest temperature position in the control cabinet 3. Due to the upward heat, in order to achieve accurate measurement, the temperature detection device 14 is further preferably provided with two groups of temperature collection sensors 141. Both groups of temperature collection sensors 141 are installed at the top position in the control cabinet 3. After temperature collection, the data is transmitted to the controller 6. The controller 6 takes the highest value detected by the two groups of temperature collection sensors 141 as the basis for judgment and analysis of the controller 6 and the control instruction issued.
[0052] In the embodiment, the low temperature setting value T DS and the high temperature setting value T GS are pre-stored in the controller 6. The temperature setting area is divided into a high temperature heat dissipation area, a normal temperature working area and a low temperature heating area. DS When the detected actual temperature T is less than or equal to the low temperature setting value T GS , it is judged to be in the low temperature heating area; when the detected actual temperature T is greater than or equal to the high temperature setting value T DS and the high temperature setting value T GS , it is judged to be in the normal temperature working area. The controller 6 controls the heating device 16 and the heat dissipation device 17 according to the temperature setting area where the actual detected temperature T is located. In this way, the temperature can be controlled in detail, the purpose of constant temperature working environment in the box body 1 can be achieved, and the stable and reliable working of the electronic device can be ensured.
[0053] The station board in working time, by two temperature sensors 141 on the top of the control cabinet 3 real-time monitoring the environmental temperature in the control cabinet 3, and real-time transmission of the monitored temperature value to the controller 6. The controller 6 receives the temperature uploaded by the temperature sensor 141, according to the current actual temperature T (take the highest value of two temperature sensors 141) in the temperature setting area, obtains the analysis result, and then issues the control instruction according to the analysis result, and commands the internal heating device 16 and the heat dissipation device 17 of the station board to act.
[0054] Specifically, when the detected actual temperature T is in the low-temperature heating area, the heating mode is entered, the controller 6 controls the power supply to be disconnected, and the electronic devices of each functional module in the control cabinet 3 are not powered, at the same time, the control cabinet heat dissipation module 171 is powered off and stops dissipating heat to the outside, and then the heating device 16 in the control cabinet 3 is started, and the axial flow fan in the control cabinet heat dissipation module 172 is turned on, in this process, all the axial flow fans in the control cabinet heat dissipation module 172 are preferably controlled to start and run at maximum power, so that the heat can flow quickly in the control cabinet 3, and the purpose of quickly raising the temperature in the control cabinet 3 is achieved. In this process, the temperature is detected in real time, and when the low-temperature setting value T DS is not reached, the heating mode continues to work.
[0055] When the temperature detection device 14 collects that the actual temperature T reaches the low-temperature setting value T DS , that is, reaches the starting temperature of the electronic devices in the control cabinet 3, the electronic devices are powered on, and the electronic devices will generate heat energy after starting, which can maintain the normal operation of the electronic devices, and at this time the heating device 16 is turned off.
[0056] When the actual temperature T reaches the high-temperature setting value T GS , that is, is in the high-temperature heat dissipation area, the heat dissipation mode is entered. The controller 6 issues a starting instruction to the cabinet heat dissipation module 171 and the control cabinet heat dissipation module 172 in the control cabinet 3, and all the axial flow fans in the cabinet heat dissipation module 171 and the control cabinet heat dissipation module 172 start to run at maximum power, and the maximum heat dissipation power is maintained when the actual temperature T does not decrease. When the actual temperature T reaches the high-temperature setting value T GS , the work of the cabinet heat dissipation module 171 and the control cabinet heat dissipation module 172 is stopped, and the heat dissipation mode is exited.
[0057] In this embodiment, it is further preferred that in the heat dissipation mode, when it is detected that the actual temperature value T has started to decrease, but has not reached the high-temperature setting value T GSWhen the actual temperature value T is in the normal temperature working area, the working capacity of the box heat dissipation module 171 and the control cabinet heat dissipation module 172 can be reduced, such as reducing the number of axial flow fans or reducing the fan power, speed, etc., so as to reduce the power consumption.
[0058] In other seasons except winter and summer, when the actual temperature value T is in the normal temperature working area, the normal temperature working mode is entered, and only the most basic heat dissipation capacity is needed in this mode. In this process, the controller 6 can control the box heat dissipation module 171 to work at half capacity, that is, to control half of the axial flow fans to be turned on, while controlling all the axial flow fans in the control cabinet heat dissipation module 172 to be turned off.
[0059] By using the above scheme, the following beneficial effects are achieved:
[0060] 1. The electronic bus stop heat dissipation device is provided with the box heat dissipation module and the control cabinet heat dissipation module in the stop, which is beneficial to further strengthen the local heat dissipation effect in the control cabinet, and thus can greatly improve the heat dissipation effect of the working environment in the box, so that the electronic devices in the box can always operate normally in the appropriate working temperature range, increase the service life of the electronic devices, and reduce the maintenance cost.
[0061] 2. The electronic bus stop heat dissipation device is provided with the heating device close to the control cabinet heat dissipation module, which is beneficial to rapidly release the heat generated by the heating device to the entire control cabinet, so that the temperature in the control cabinet rapidly rises to the working temperature of the electronic devices in a short time. Not only the heating effect can be achieved, but also the heat dissipation module of the control cabinet can transfer the heat of the heating device, so that the heating device does not need to be additionally provided with a fan, the structure is more simple and compact, and the cost is reduced.
[0062] Embodiment Two:
[0063] As shown in Figures 1 to 3 , an electronic bus stop is provided with the electronic bus stop heat dissipation device as described in Embodiment One in the box 1 of the stop.
[0064] As shown in Figures 1 to 4 , in this embodiment, the air volume adjusting devices 15 for adjusting the air volume of the air inlets 4 and the air outlets 5 of the box 1 are respectively installed.
[0065] In the embodiment, the air volume adjusting devices 15 installed at the air inlets 4 and the air outlets 5 are connected with the controller 6 respectively, the controller 6 is connected with the temperature detecting device 14, the temperature detecting device 14 is used for detecting the working environment temperature of the electronic devices in the control cabinet 3, the temperature detecting device 14 transmits the detected temperature to the controller 6 in real time, the controller 6 controls the air volume adjusting devices 15 to act according to the relationship between the actual temperature value T and the temperature setting value, adjusts the ventilation area of the air inlets 4 and the air outlets 5, and further adjusts the ventilation volume of the air inlets 4 and the air outlets 5. When the actual temperature value T is lower than the low temperature setting value T DS , the ventilation volume is reduced, and further the heat dissipation is reduced, which is beneficial to improve the temperature in the control cabinet 3; when the actual temperature value T is higher than the temperature setting value T GS , the ventilation volume is increased, and the heat dissipation effect is improved, which is beneficial to reduce the temperature in the control cabinet 3.
[0066] As shown in Figure 3 and Figure 4 , in the embodiment, it is further preferred that the air volume adjusting device 15 comprises an air inlet adjusting assembly 151 and a driving device 152, the driving device 152 drives the air inlet adjusting assembly 151 to act, and further adjusts the area of the air inlets 4 and the air outlets 5, so as to realize the adjustment of the ventilation volume of the air inlets 4 and the air outlets 5. For the air volume adjusting device 15, the structure of the air valve can also be adopted, the air valve is fixedly installed on the back surface of the air inlets 4 and the air outlets 5, and the ventilation volume of the air inlets 4 and the air outlets 5 is adjusted by adjusting the opening degree of the air valve.
[0067] In the embodiment, it is further preferred that the air inlet adjusting assembly 151 adopts a roller shutter structure, the roller shutter structure comprises a roller shaft 1511 and a roller shutter 1512 wound on the roller shaft 1511, the output end of the driving device 152 is connected with the roller shaft 1511 through a rotating shaft, the driving device 152 preferably adopts a stepping motor or a servo motor, when the driving device 152 moves forward and backward, the roller shaft 1511 is driven to rotate forward and backward, at the same time, the roller shutter 1512 is driven to be retracted or released, and the required setting size of the opening of the roller shutter 1512 can be controlled, so as to realize the adjustment of the ventilation area, and even when the heat dissipation is not needed or the heat preservation is needed, the air inlets 4 and the air outlets 5 can be closed. When the roller shutter 1512 is released, the area of the air inlets 4 and the air outlets 5 blocked by the roller shutter 1512 increases, and the ventilation volume decreases; when the roller shutter 1512 is retracted, the area of the air inlets 4 and the air outlets 5 blocked by the roller shutter 1512 decreases, and the ventilation volume increases.
[0068] For the air inlet adjusting assembly 151, the second embodiment is also provided in the embodiment, the air inlet adjusting assembly 151 is connected by a baffle and a driving device (not shown in the figure), the driving device adopts a motor, the output end of the motor is connected with a gear and rack transmission mechanism, specifically the output end of the motor is connected with a gear, the gear is engaged with a rack, the rack is fixedly connected with the baffle, the baffle is attached to the back of the air inlet 4 and the air outlet 5, when the motor rotates forward and reversely, the rack is driven to move up and down through the gear, and then the baffle is driven to move up and down, so that the adjustment of the air inlet area is realized, and then the adjustment of the air inlet ventilation volume is realized.
[0069] For the air inlet adjusting assembly 151, the third embodiment is also provided in the embodiment, the air inlet adjusting assembly 151 can also adopt the structure of a louver window (not shown in the figure), the driving device adopts a motor, the output end of the driving device is connected with the linkage rod of the louver window, and the adjustment of the rotation angle of the louver window is used to realize the adjustment of the air inlet ventilation volume.
[0070] The driving devices 152 at the air inlets 4 and the air outlets 5 are connected with the controller 6, are controlled by the controller 6, and perform synchronous actions under the instruction of the controller 6, so that the control of the ventilation areas of the air inlets 4 and the air outlets 5 is realized, and the ventilation areas of the air inlets 4 and the air outlets 5 remain the same, so that the balance between the air inlet volume and the air outlet volume is ensured.
[0071] When the detected actual temperature T is in the low-temperature heating area, the heating mode is entered, the controller 6 controls the power supply to be disconnected, and the electronic devices of the functional modules in the control cabinet 3 are not powered. The air volume adjusting device 15 is controlled to act, the ventilation volumes of the air inlets 4 and the air outlets 5 are adjusted to 0, that is, the air inlets 4 and the air outlets 5 are completely closed, the cabinet heat dissipation module 171 is powered off, and the heat dissipation to the outside is stopped, then the heating device 16 in the control cabinet 3 is started, and the axial flow fan in the control cabinet heat dissipation module 172 is started, in this process, all the axial flow fans in the control cabinet heat dissipation module 172 are preferably started, so that the heat can flow quickly in the control cabinet 3, and the purpose of quickly increasing the temperature of the internal environment of the control cabinet 3 is achieved. In this process, the temperature is detected in real time, when the low-temperature setting value T DS is not reached, the heating mode continues to work.
[0072] When the temperature detection device 14 collects the actual temperature T reaching the low-temperature setting value T DS , the electronic devices are powered on, the electronic devices generate heat energy after being started, the heat energy can maintain the normal operation of the electronic devices, and the heating device 16 is closed at this time. After the heating device 16 is closed, the air inlets 4 and the air outlets 5 can be kept in the closed state, the heat exchange between the inside and the outside of the cabinet 1 is reduced, and the heat loss is reduced.
[0073] When the product is in high temperature and strong light in summer, the temperature inside the box 1 will continue to rise under the action of sunlight radiation. The temperature detection device 14 uploads the actual temperature T collected to the controller 6. When the actual temperature T collected by the temperature detection device 14 (taking the highest value of the two temperature sensors 141) reaches the high temperature setting value T GS , that is, in the high temperature heat dissipation area, the heat dissipation mode is entered.
[0074] The controller 6 controls the air volume adjusting device 15 to act, adjusts the ventilation volume of the air inlet 4 and the air outlet 5 to 100%, that is, opens the ventilation area of the air inlet 4 and the air outlet 5 to the maximum, and sends a start instruction to the box heat dissipation module 171 and the control cabinet heat dissipation module 172 in the control cabinet 3. All the axial flow fans in the box heat dissipation module 171 and the control cabinet heat dissipation module 172 start, and the actual temperature T remains the maximum heat dissipation power when the actual temperature T is not reduced. When the actual temperature T reaches the high temperature setting value T GS , stop the work of the box heat dissipation module 171 and the control cabinet heat dissipation module 172, and exit the heat dissipation mode. In the heat dissipation mode, the ventilation area of the air inlet 4 and the air outlet 5 is continuously kept in the maximum state.
[0075] In other seasons except winter and summer, when the actual temperature value T is detected in the normal temperature working area, the normal temperature working mode is entered. In this mode, only the most basic heat dissipation capacity is needed. In this process, the controller 6 controls the ventilation volume of the air inlet 4 and the air outlet 5 to be a set proportion, which is preferably 50%, and also controls the box heat dissipation module 171 to work at half capacity, that is, controls half of the axial flow fans to be opened, and controls all the axial flow fans in the control cabinet heat dissipation module 172 to be closed.
[0076] The intelligent electronic bus stop board can adjust the box ventilation mode according to the environmental temperature by setting the air volume adjusting device 15 at the air inlet 4 and the air outlet 5. When the temperature is high, the ventilation area is increased to improve the heat dissipation capacity, and when the temperature is low, the ventilation area is reduced to achieve the effect of heat preservation. Through cooperation with the heating device 16 and the heat dissipation device 17, the electronic devices in the box 1 can always operate normally in the appropriate working temperature range. The bus stop can be applied in an environment of minus 40℃ and high temperature of 40℃. This solves the problem of cost increase caused by improving the performance of electronic devices in high and low temperature environments, which is beneficial to increase the service life of electronic devices, reduce the failure rate of electronic devices, and reduce maintenance costs.
[0077] The intelligent electronic bus stop can automatically adjust the ventilation area of the air inlet 4 and the air outlet 5 according to the ambient temperature, so as to realize the heat emission control. In winter and rainy days without solar radiation, the temperature rise inside the box 1 is generally small, at this time, it is necessary to reduce the heat dissipation to meet the operation needs of the electronic devices. When the temperature is very low in winter, the air inlet 4 and the air outlet 5 are completely closed, and the heating device 16 is started. The closing of the air inlet 4 and the air outlet 5 can reduce the heat exchange between the inside and outside of the product, reduce the heat loss, reduce the power consumption, and quickly raise the ambient temperature inside the box 1 to reach the starting temperature of the electronic devices, so as to ensure the normal operation of the electronic devices.
[0078] When the ambient temperature is high in summer, the weather is fine, and the solar radiation is strong, the sunlight will cause the surface temperature of the box to rise, the heat will be conducted to the inside of the box, the electronic device operation will convert part of the electric energy into heat energy, and the superposition of the heat will cause the temperature inside the box to be too high. At this time, the controller will automatically adjust the ventilation of the air inlet 4 and the air outlet 5 to the designed maximum value, accelerate the heat removal inside the box, reduce the temperature inside the product, and ensure the normal operation of the product.
[0079] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and the equivalent embodiments of the equivalent changes can be obtained. The implementation solutions in the above embodiments can be further combined or replaced. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the scope of the present application.
Claims
1. An electronic bus stop heat dissipating device, characterized in that: A control cabinet is installed inside the box of the bus stop, electronic devices are installed in the control cabinet, an air inlet and an air outlet are arranged on the box, the heat dissipation device comprises a box heat dissipation module and a control cabinet heat dissipation module, the box heat dissipation module is installed at the air outlet of the box, and the control cabinet heat dissipation module is installed in the control cabinet.
2. The electronic bus stop heat dissipating device according to claim 1, wherein: The control cabinet heat dissipation module is installed at the bottom of the control cabinet.
3. The electronic bus stop heat dissipating device of claim 1, wherein: The box heat dissipation module and the control cabinet heat dissipation module each comprise at least one fan.
4. The electronic bus stop heat dissipating device according to claim 3, characterized in that: The fan is a axial fan or a cross-flow fan.
5. The electronic bus stop heat dissipating device according to any one of claims 1-4, characterized in that: A heating device is installed in the control cabinet, the heating device is installed close to and below the control cabinet heat dissipation module.
6. The electronic bus stop heat dissipating device according to any one of claims 1-4, wherein: The box is internally provided with a temperature detecting device for detecting the temperature in the control cabinet, which is connected with the controller, when the actual temperature T detected is lower than or equal to the low temperature setting value T DS , the control cabinet heat dissipation module is started, when the actual temperature T detected is higher than or equal to the high temperature setting value T GS , the box heat dissipation module and the control cabinet heat dissipation module are simultaneously started.
7. The electronic bus stop heat dissipating device according to claim 6, characterized in that: When the detected actual temperature T is lower than or equal to the low temperature set value T DS , the control cabinet heat dissipation module is controlled to operate at maximum power; when the detected actual temperature T is higher than or equal to the high temperature set value T GS , the cabinet heat dissipation module and the control cabinet heat dissipation module are controlled to operate at maximum power simultaneously.
8. An electronic bus stop, characterized by: The electronic bus stop heat dissipation device as claimed in any one of claims 1-7 is installed in the box of the bus stop.
9. The electronic bus stop sign of claim 8, wherein: Air volume adjusting devices for adjusting the air volume of the air inlets and air outlets of the box are installed at the air inlets and air outlets of the box respectively.
10. The electronic bus stop sign of claim 9, wherein: When the detected actual temperature value T is lower than or equal to the low temperature set value T DS , the ventilation amount of the air inlet and the air outlet is adjusted to 0; when the detected actual temperature value T is higher than or equal to the high temperature set value T GS , the ventilation amount of the air inlet and the air outlet is adjusted to 100%.