Electric passenger car fastener state real-time monitoring device

Abstract

The utility model discloses a real-time monitoring device for the state of a fastener of an electric passenger car, and solves the problem that the fastening stress of a bolt is inconvenient to monitor in real time in the prior art. The bolt fastening stress detection device comprises a bolt and further comprises a fixing plate used for being connected with vehicle bottom equipment, an intelligent gasket arranged on the fixing plate and used for detecting bolt fastening stress, and a data transmission module arranged in the intelligent gasket and connected with a vehicle-mounted host. The energy storage mechanism is arranged in the intelligent gasket and is respectively connected with the intelligent gasket and the data transmission module; the bolt penetrates through the fixing plate and is connected with the vehicle bottom equipment, and the intelligent gasket is pressed on the fixing plate. The bolt fastening stress is monitored in real time through the intelligent gasket, data detected by the intelligent gasket is transmitted to the vehicle-mounted host through the data transmission module and displayed, and monitoring personnel can judge whether the bolt falls off or loosens in the using process according to the pressure data monitored by the pressure sensor.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bolt detection equipment technical field, specifically related to a real -time monitoring device of electric passenger car fastener state. BACKGROUND

[0002] In the actual operation process of rail transit industry, the bolt fastening state of the key connection point of the vehicle body itself appears loose frequently, and even some operating vehicles will appear the serious security risk of bolt loosening and falling in the running process, which constitutes a significant threat to the safe operation of the vehicle.

[0003] In the vehicle running process, due to vibration and other factors, the bolt of the key connection point of the vehicle body is prone to loosen and even fall off, and if the situation is serious, it may lead to the occurrence of people and vehicle safety accidents. The traditional detection means mainly relies on the inspection of the fastening stress of the bolt by professional maintenance personnel using specific maintenance appliances during the train entry and maintenance stage. However, the above method cannot monitor the bolt in real time during the train operation, and the manual inspection of the bolt fastening stress is low in efficiency, easy to miss the detection items, and requires a large amount of human resources. SUMMARY

[0004] The utility model provides a real -time monitoring device of electric passenger car fastener state to at least solve part of the above technical problems.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A fastening state real -time monitoring device of electric passenger car fastening bolt, including bolt, still include the fixed plate for connecting the car bottom equipment, be arranged on the fixed plate and be used for detecting the intelligent gasket of bolt fastening stress, be arranged in the data transmission module of intelligent gasket and with the vehicle host computer is connected in intelligent gasket, and be arranged in the energy storage mechanism of intelligent gasket and respectively with intelligent gasket and data transmission module is connected;Bolt passes through the fixed plate and is connected with the car bottom equipment and will intelligent gasket press fit on the fixed plate.

[0007] Further, the intelligent gasket includes an annular housing disposed on the fixed plate, a first pressure sensor disposed in the annular housing, an encapsulation mechanism disposed in the annular housing for encapsulating the first pressure sensor, a warning mechanism disposed in the encapsulation mechanism and connected to the vehicle host computer for preventing damage to the first pressure sensor, a cover disposed in the annular housing and connected to the encapsulation mechanism and the bolt for force transmission, and a ring-shaped limiting ring disposed on the cover and connected to the annular housing. The data transmission module is installed on the annular housing and connected to the first pressure sensor and the warning mechanism, the bolt rod is disposed in the annular housing, and the energy storage mechanism is connected to the warning mechanism.

[0008] Further, the packaging mechanism comprises a mounting groove formed on the annular shell, a first packaging plate and a second packaging plate arranged in the mounting groove, the first pressure sensor is arranged between the first packaging plate and the second packaging plate, the early warning mechanism is arranged between the first packaging plate and the second packaging plate, a sealing mechanism is arranged between the first packaging plate and the second packaging plate, and the cover abuts against the second packaging plate.

[0009] Further, the early warning mechanism comprises a stress rod arranged on the first packaging plate, a limiting plate slidably arranged on the stress rod, a pressure spring sleeved on the stress rod and abutting against the top surface of the first packaging plate at one end and abutting against the bottom surface of the limiting plate at the other end, a second pressure sensor arranged at the end of the stress rod, and a giving slot formed on the second packaging plate and matched with the stress rod, the stress rod is inserted into the giving slot and abuts against the top surface of the limiting plate; the second pressure sensor is connected with the data transmission module and the energy storage mechanism respectively.

[0010] Further, the first packaging plate is provided with a mounting ring groove matched with the first pressure sensor, the first pressure sensor is arranged in the mounting ring groove and the top surface and the bottom surface of the first pressure sensor abut against the second packaging plate and the first packaging plate respectively.

[0011] Further, the sealing mechanism comprises a first sealing groove and a second sealing groove formed on the first packaging plate respectively, and two sealing rings embedded in the first sealing groove and the second sealing groove respectively, and the first pressure sensor is arranged between the first sealing groove and the second sealing groove.

[0012] Further, the energy storage mechanism comprises a storage battery arranged in the annular shell and connected with the first pressure sensor and the early warning mechanism respectively.

[0013] Further, the bottom of the annular shell is provided with a battery mounting groove matched with the storage battery, and a battery sealing plate arranged on the annular shell and used for sealing the battery mounting groove; the storage battery is packaged in the battery mounting groove through the battery sealing plate.

[0014] Further, the data transmission module comprises a connecting head threadedly connected with the intelligent gasket, and a signal line arranged in the connecting head, one end of the signal line is connected with the intelligent gasket, and the other end of the signal line is connected with the vehicle-mounted host.

[0015] Further, the fixing plate is provided with a bottom plate, the bottom plate abuts against the intelligent gasket, and a gasket is arranged between the head of the bolt and the intelligent gasket.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses simple structure, scientific and reasonable in design, convenient to use, the utility model discloses in the use process, the bolt passes through fixed plate and car bottom equipment is connected with and will intelligent gasket compression in fixed plate, and intelligent gasket carries out monitoring to the extrusion between bolt and fixed plate, thereby realizes the fastening stress of bolt and carries out real -time monitoring, and through data transmission module, the data transmission of intelligent gasket detection is transmitted to the vehicle host computer in and shows, and the pressure data that monitoring personnel can judge out whether bolt has fallen off or loosened in the use process according to pressure sensor monitoring. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model.

[0019] Figure 2 It is the sectional view of the utility model intelligent gasket.

[0020] Figure 3 It is Figure 2 the enlarged view of A in the middle.

[0021] Figure 4 It is the explosion drawing of the utility model intelligent gasket.

[0022] Figure 5 It is the schematic diagram of the utility model annular casing.

[0023] Figure 6 It is the schematic diagram of the utility model first encapsulation board. (The stress rod is not shown in the drawing)

[0024] Figure 7 It is the control block diagram of the utility model.

[0025] Among them, the name corresponding to the reference sign is:

[0026] 1, bolt;2, fixed plate;3, intelligent gasket;4, annular casing;5, first encapsulation board;6, first pressure sensor;7, second encapsulation board;8, cover;9, first sealing groove;10, second sealing groove;11, sealing ring;12, installation groove;13, installation ring groove;14, battery;15, battery installation groove;16, battery sealing plate;19, connecting head;20, signal line;21, bottom plate;22, gasket;23, annular limit ring;24, stress rod;25, limit plate;26, pressure spring;27, second pressure sensor;28, let -go groove. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation based on the shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicated or implied that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore it can not be understood as the limitation to the utility model. In addition, the terms "first", "second", "third" are only for the description purpose, and can not be understood as indicating or implying relative importance.

[0029] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, of course, it can also be mechanical connection, or electrical connection, in addition, it can also be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment

[0030] As Figures 1-7 Indicated, the utility model provides a kind of fastening state real-time monitoring device of electric passenger car fastening bolt 1, including bolt 1, further include the fixed plate 2 for connecting car bottom equipment, be arranged on fixed plate 2 and be used to detect the intelligent gasket 3 of bolt 1 fastening stress, data transmission module being arranged in intelligent gasket 3 and being connected with vehicle-mounted host computer, and energy storage mechanism being arranged in intelligent gasket 3 and being connected with intelligent gasket 3 and data transmission module respectively;Bolt 1 passes through fixed plate 2 and is connected with car bottom equipment and press together intelligent gasket 3 on fixed plate 2.

[0031] The utility model discloses a bolt 11 passes through fixed plate 22 and is connected with the equipment of car bottom and will intelligent gasket 33 press fit on fixed plate 22, and intelligent gasket 33 monitors the extrusion between bolt 11 and fixed plate 22, thereby realizes the fastening stress of bolt 11 in real time monitoring, and through data transmission module, the data that intelligent gasket 33 detects is transmitted to the host computer in vehicle and is displayed, and the control personnel can judge whether bolt has fallen off or loosened in the use process according to the pressure data that intelligent gasket 3 monitors. Embodiment

[0032] As Figures 1-7 The utility model discloses a kind of fastening state real-time monitoring devices of electric passenger car fastening bolt 1, including bolt 1, further include the fixed plate 2 for connecting equipment of car bottom, be arranged on fixed plate 2 and be used for detecting the fastening stress of bolt 1 intelligent gasket 3, be arranged in intelligent gasket 3 and be connected with the data transmission module of host computer in vehicle, and be arranged in intelligent gasket 3 and be connected with intelligent gasket 3 and data transmission module respectively energy storage mechanism;Bolt 1 passes through fixed plate 2 and is connected with the equipment of car bottom and will intelligent gasket 3 press fit on fixed plate 2.

[0033] Intelligent gasket 3 includes annular shell 4 being arranged on fixed plate 2, first pressure sensor 6 being arranged in annular shell 4, encapsulation mechanism being arranged in annular shell 4 for encapsulating first pressure sensor 6, early warning mechanism being arranged in encapsulation mechanism and being connected with host computer in vehicle for preventing first pressure sensor 6 from being damaged, cover 8 being arranged in annular shell 4 and being connected with encapsulation mechanism and bolt 1 respectively and being used for force transmission, and annular limiting ring 23 being arranged on cover 8 and being connected with annular shell 4;Data transmission module is installed on annular shell 4 and is connected with first pressure sensor 6 and early warning mechanism, bolt 1 screw rod is arranged in annular shell 4, and energy storage mechanism is connected with early warning mechanism.

[0034] This embodiment 2 is more preferred structure of intelligent gasket 3 on the basis of embodiment 1, specifically: intelligent gasket 3 includes annular shell 4 being arranged on fixed plate 2, first pressure sensor 6 being arranged in annular shell 4, encapsulation mechanism being arranged in annular shell 4 for encapsulating first pressure sensor 6, early warning mechanism being arranged in encapsulation mechanism and being connected with host computer in vehicle for preventing first pressure sensor 6 from being damaged, cover 8 being arranged in annular shell 4 and being connected with encapsulation mechanism and bolt 1 respectively and being used for force transmission, and annular limiting ring 23 being arranged on cover 8 and being connected with annular shell 4;Data transmission module is installed on annular shell 4 and is connected with first pressure sensor 6 and early warning mechanism, bolt 1 screw rod is arranged in annular shell 4, and energy storage mechanism is connected with early warning mechanism.

[0035] The utility model discloses a first pressure sensor 6 is installed in annular casing 4, and the packaging mechanism is arranged in annular casing 4 and is packed to first pressure sensor 6, and the cover 8 is located in annular casing 4 and is connected with the packaging mechanism and bolt 1 respectively, and the data transmission module is installed on annular casing 4 and is connected with first pressure sensor 6, when using, bolt 1 screw rod is located in annular casing 4, and along with bolt 1 in the process of tightening, bolt 1 constantly exerts pressure to cover 8, and the pressure that bolt 1 exerts is detected through first pressure sensor 6, and simultaneously first pressure sensor 6 will detect the pressure signal through data transmission module and transmit to the vehicle host computer, and the vehicle host computer compares the pressure value that first pressure sensor 6 detects with the preset value, if the pressure value that first pressure sensor 6 detects is lower than the preset value, then bolt 1 loosens, and the fastening stress of first bolt 1 is monitored in real time, thereby avoiding bolt 1 loosening or falling off. The inner diameter of annular casing 4 is greater than the outer diameter of the screw rod of bolt 1.

[0036] The utility model discloses annular casing 4 is provided with the limiting installation groove that is adapted with annular limiting ring 23, when cover 8 is installed on annular casing 4, annular limiting ring 23 is located in limiting installation groove, and the depth of limiting installation groove is greater than the height of annular limiting ring 23, when bolt 1 tightness granularity is too big, and bolt 1 can only damage cover 8, thereby avoiding first pressure sensor 6 damage. Embodiment

[0037] As Figures 1-7 The utility model discloses a kind of fastening state real-time monitoring devices of electric passenger car fastening bolt 1, including bolt 1, further include the fixed plate 2 for connecting vehicle bottom equipment, be located on the intelligent gasket 3 for detecting the fastening stress of bolt 1 of fixed plate 2, data transmission module is located in intelligent gasket 3 and is connected with vehicle host computer, and energy storage mechanism is located in intelligent gasket 3 and is connected with intelligent gasket 3 and data transmission module respectively;Bolt 1 passes through fixed plate 2 and is connected with vehicle bottom equipment and press fit intelligent gasket 3 on fixed plate 2.

[0038] Intelligent gasket 3 includes annular casing 4 located on fixed plate 2, first pressure sensor 6 located in annular casing 4, packaging mechanism for packaging first pressure sensor 6 located in annular casing 4, early warning mechanism for preventing first pressure sensor 6 damage located in packaging mechanism and connected with vehicle host computer, cover 8 for force transmission located in annular casing 4 and connected with packaging mechanism and bolt 1 respectively, and annular limiting ring 23 located on cover 8 and connected with annular casing 4;Data transmission module is installed on annular casing 4 and connected with first pressure sensor 6 and early warning mechanism, bolt 1 screw rod is located in annular casing 4, and energy storage mechanism is connected with early warning mechanism.

[0039] The encapsulation mechanism includes a mounting groove 12 formed on the annular housing 4, and a first encapsulation plate 5 and a second encapsulation plate 7 disposed in the mounting groove 12; a first pressure sensor 6 is mounted abutting between the first encapsulation plate 5 and the second encapsulation plate 7, a warning mechanism is disposed between the first encapsulation plate 5 and the second encapsulation plate 7, a sealing mechanism is provided between the first encapsulation plate 5 and the second encapsulation plate 7, and a cover 8 abuts against the second encapsulation plate 7.

[0040] This embodiment 3 provides a more preferred structure for the encapsulation mechanism based on embodiment 2. Specifically, the encapsulation mechanism includes a mounting groove 12 formed on the annular housing 4, and a first encapsulation plate 5 and a second encapsulation plate 7 disposed in the mounting groove 12; a first pressure sensor 6 is mounted abutting between the first encapsulation plate 5 and the second encapsulation plate 7; a warning mechanism is disposed between the first encapsulation plate 5 and the second encapsulation plate 7; a sealing mechanism is provided between the first encapsulation plate 5 and the second encapsulation plate 7; and a cover 8 abuts against the second encapsulation plate 7.

[0041] The mounting groove 12 on the annular housing 4 of this utility model has an annular structure. The first encapsulation plate 5 and the second encapsulation plate 7 are both disposed in the mounting groove 12, and the first pressure sensor 6 is mounted abutting between the first encapsulation plate 5 and the second encapsulation plate 7. At the same time, the first encapsulation plate 5 and the second encapsulation plate 7 are sealed to the first pressure sensor 6 through a sealing mechanism, thereby preventing damage to the first pressure sensor 6. The cover 8 abuts against the second encapsulation plate 7. During use, the bolt 1 continuously applies pressure to the cover 8 during the tightening process. The cover 8 transmits the pressure to the second encapsulation plate 7, and the second encapsulation plate 7 applies pressure to the first pressure sensor 6, thereby facilitating the first pressure sensor 6 to detect the tightening stress of the bolt 1. Example

[0042] like Figures 1-7 As shown, the present invention provides a real-time monitoring device for the fastening status of a fastening bolt 1 in an electric bus, including a bolt 1, a fixing plate 2 for connecting to the undercarriage equipment, an intelligent washer 3 disposed on the fixing plate 2 for detecting the fastening stress of the bolt 1, a data transmission module disposed in the intelligent washer 3 and connected to the on-board host, and an energy storage mechanism disposed in the intelligent washer 3 and connected to the intelligent washer 3 and the data transmission module respectively; the bolt 1 passes through the fixing plate 2 and connects to the undercarriage equipment, pressing the intelligent washer 3 onto the fixing plate 2.

[0043] The intelligent gasket 3 comprises a ring-shaped shell 4 arranged on the fixed plate 2, a first pressure sensor 6 arranged in the ring-shaped shell 4, a packaging mechanism arranged in the ring-shaped shell 4 and used for packaging the first pressure sensor 6, a pre-warning mechanism arranged in the packaging mechanism and connected with the vehicle-mounted host computer and used for preventing the first pressure sensor 6 from being damaged, a cover 8 arranged in the ring-shaped shell 4 and connected with the packaging mechanism and the bolt 1 and used for force transmission, and a ring-shaped limiting ring 23 arranged on the cover 8 and connected with the ring-shaped shell 4; the data transmission module is arranged on the ring-shaped shell 4 and connected with the first pressure sensor 6 and the pre-warning mechanism, the screw rod of the bolt 1 is arranged in the ring-shaped shell 4, and the energy storage mechanism is connected with the pre-warning mechanism.

[0044] The packaging mechanism comprises a mounting groove 12 arranged on the ring-shaped shell 4, and a first packaging plate 5 and a second packaging plate 7 arranged in the mounting groove 12; the first pressure sensor 6 is arranged between the first packaging plate 5 and the second packaging plate 7 in abutment, the pre-warning mechanism is arranged between the first packaging plate 5 and the second packaging plate 7, a sealing mechanism is arranged between the first packaging plate 5 and the second packaging plate 7, and the cover 8 is in abutment with the second packaging plate 7.

[0045] The pre-warning mechanism comprises a stress rod 24 arranged on the first packaging plate 5, a limiting plate 25 slidingly arranged on the stress rod 24, a pressure spring 26 sleeved on the stress rod 24 and in abutment at one end with the top surface of the first packaging plate 5 and at the other end with the bottom surface of the limiting plate 25, a second pressure sensor 27 arranged at the end of the stress rod 24, and a giving-way groove 28 arranged on the second packaging plate 7 and matched with the stress rod 24, the stress rod 24 is inserted into the giving-way groove 28 and in abutment with the top surface of the limiting plate 25; the second pressure sensor 27 is connected with the data transmission module and the energy storage mechanism respectively.

[0046] The pre-warning mechanism comprises a stress rod 24 arranged on the first packaging plate 5, a limiting plate 25 slidingly arranged on the stress rod 24, a pressure spring 26 sleeved on the stress rod 24 and in abutment at one end with the top surface of the first packaging plate 5 and at the other end with the bottom surface of the limiting plate 25, a second pressure sensor 27 arranged at the end of the stress rod 24, and a giving-way groove 28 arranged on the second packaging plate 7 and matched with the stress rod 24, the stress rod 24 is inserted into the giving-way groove 28 and in abutment with the top surface of the limiting plate 25; the second pressure sensor 27 is connected with the data transmission module and the energy storage mechanism respectively.

[0047] The utility model stress rod 24 is installed on the first package board 5, and the limiting plate 25 is slidably installed on the stress rod 24, the pressure spring 26 is sleeved on the stress rod 24 and one end is in abutment with the top surface of the first package board 5, the other end is in abutment with the bottom surface of the limiting plate 25, the limiting plate 25 is in abutment with the bottom surface of the second package board 7 through the pressure spring 26, and the pressure of the second package board 7 can be limited through the pressure spring 26, thereby avoiding that the second package board 7 damages the first pressure sensor 6, when the bolt 1 is loose, the pressure spring 26 can push the limiting plate 25 to move upwards, the limiting plate 25 pushes the second package board 7 to move upwards, and whether the bolt 1 is loose or not during use can be judged according to the pressure data monitored by the first pressure sensor 6, the second pressure sensor 27 is installed on the top surface of the stress rod 24, the second package board 7 is provided with the accommodating groove 28 matched with the stress rod 24, the stress rod 24 is inserted into the accommodating groove 28 and is in abutment with the top surface of the limiting plate 25.

[0048] The utility model discloses in using, stress rod 24 is inserted into the accommodating groove 28 and is in abutment with the top surface of the limiting plate 25, when the bolt 1 is tightened, the bolt 1 drives the cover 8 to press down, the cover 8 drives the second package board 7 to press down, the second package board 7 extrudes the first pressure sensor 6, and the stress rod 24 slides in the accommodating groove 28, when the bolt 1 is too tight, the second package board 7 drives the limiting plate 25 to press down and extrudes the pressure spring 26, thereby make the second pressure sensor 27 be located in the accommodating groove 28 and be in abutment with the top surface in the accommodating groove 28, through the second pressure sensor 27, thereby can detect the pressure between the top surface of stress rod 24 and the top surface in the accommodating groove 28, when the second pressure sensor 27 detects the pressure, the pressure sensor 27 transmits the data detected to the vehicle host computer, and whether the bolt 1 is too tight can be judged according to the pressure data monitored by the second pressure sensor 27, thereby avoiding that the second package board 7 breaks the first sensor 6. Embodiment

[0049] As Figures 1-7 The utility model provides a kind of fastening state real-time monitoring device of electric passenger car fastening bolt 1, including bolt 1, further include the fixed plate 2 for connecting vehicle bottom equipment, it is located in the intelligent gasket 3 for detecting bolt 1 fastening stress on fixed plate 2, data transmission module is located in intelligent gasket 3 and is connected with vehicle host computer, and energy storage mechanism is located in intelligent gasket 3 and is connected with intelligent gasket 3 and data transmission module respectively;Bolt 1 is connected with vehicle bottom equipment and intelligent gasket 3 is pressed together on fixed plate 2 by passing through fixed plate 2.

[0050] The intelligent gasket 3 comprises a ring-shaped shell 4 arranged on the fixed plate 2, a first pressure sensor 6 arranged in the ring-shaped shell 4, a packaging mechanism arranged in the ring-shaped shell 4 and used for packaging the first pressure sensor 6, a pre-warning mechanism arranged in the packaging mechanism and connected with the vehicle-mounted host computer and used for preventing the first pressure sensor 6 from being damaged, a cover 8 arranged in the ring-shaped shell 4 and connected with the packaging mechanism and the bolt 1 respectively and used for force transmission, and a ring-shaped limiting ring 23 arranged on the cover 8 and connected with the ring-shaped shell 4; the data transmission module is arranged on the ring-shaped shell 4 and connected with the first pressure sensor 6 and the pre-warning mechanism, the screw rod of the bolt 1 is arranged in the ring-shaped shell 4, and the energy storage mechanism is connected with the pre-warning mechanism.

[0051] The packaging mechanism comprises a mounting groove 12 arranged on the ring-shaped shell 4, and a first packaging plate 5 and a second packaging plate 7 arranged in the mounting groove 12; the first pressure sensor 6 is arranged between the first packaging plate 5 and the second packaging plate 7 in abutment, the pre-warning mechanism is arranged between the first packaging plate 5 and the second packaging plate 7, a sealing mechanism is arranged between the first packaging plate 5 and the second packaging plate 7, and the cover 8 is in abutment with the second packaging plate 7.

[0052] The first packaging plate 5 is provided with a mounting ring groove 13 matched with the first pressure sensor 6, and the first pressure sensor 6 is arranged in the mounting ring groove 13 and in abutment with the second packaging plate 7 and the first packaging plate 5 respectively.

[0053] The first packaging plate 5 is provided with a mounting ring groove 13 matched with the first pressure sensor 6, and the first pressure sensor 6 is arranged in the mounting ring groove 13 and in abutment with the second packaging plate 7 and the first packaging plate 5 respectively.

[0054] The first packaging plate 5 is provided with a mounting ring groove 13 matched with the first pressure sensor 6, and the first pressure sensor 6 is arranged in the mounting ring groove 13 and in abutment with the second packaging plate 7 and the first packaging plate 5 respectively. Embodiment

[0055] As Figures 1-7 shown, the utility model provides a kind of fastening state real-time monitoring device of electric passenger car fastening bolt 1, including bolt 1, further include the fixed plate 2 for connecting vehicle bottom equipment, it is arranged on the fixed plate 2 and is used for detecting the intelligent gasket 3 of bolt 1 fastening stress, data transmission module is arranged in the intelligent gasket 3 and is connected with vehicle-mounted host computer, and energy storage mechanism is arranged in the intelligent gasket 3 and is connected with the intelligent gasket 3 and data transmission module respectively;Bolt 1 is connected with vehicle bottom equipment by passing through fixed plate 2 and is pressed together on fixed plate 2 with intelligent gasket 3.

[0056] The intelligent gasket 3 comprises a ring-shaped shell 4 arranged on the fixing plate 2, a first pressure sensor 6 arranged in the ring-shaped shell 4, a packaging mechanism arranged in the ring-shaped shell 4 and used for packaging the first pressure sensor 6, a pre-warning mechanism arranged in the packaging mechanism and connected with the vehicle-mounted host computer and used for preventing the first pressure sensor 6 from being damaged, a cover 8 arranged in the ring-shaped shell 4 and connected with the packaging mechanism and the bolt 1 and used for force transmission, and a ring-shaped limiting ring 23 arranged on the cover 8 and connected with the ring-shaped shell 4; a data transmission module is arranged on the ring-shaped shell 4 and connected with the first pressure sensor 6 and the pre-warning mechanism, the bolt 1 is arranged in the ring-shaped shell 4, and an energy storage mechanism is connected with the pre-warning mechanism.

[0057] The packaging mechanism comprises a mounting groove 12 arranged on the ring-shaped shell 4, and a first packaging plate 5 and a second packaging plate 7 arranged in the mounting groove 12; the first pressure sensor 6 is arranged between the first packaging plate 5 and the second packaging plate 7, the pre-warning mechanism is arranged between the first packaging plate 5 and the second packaging plate 7, a sealing mechanism is arranged between the first packaging plate 5 and the second packaging plate 7, and the cover 8 is arranged in abutment with the second packaging plate 7.

[0058] The sealing mechanism comprises a first sealing groove 9 and a second sealing groove 10 arranged on the first packaging plate 5 respectively, and two sealing rings 11 embedded in the first sealing groove 9 and the second sealing groove 10 respectively, and the first pressure sensor 6 is located between the first sealing groove 9 and the second sealing groove 10.

[0059] The sealing mechanism comprises a first sealing groove 9 and a second sealing groove 10 arranged on the first packaging plate 5 respectively, and two sealing rings 11 embedded in the first sealing groove 9 and the second sealing groove 10 respectively, and the first pressure sensor 6 is located between the first sealing groove 9 and the second sealing groove 10.

[0060] The first sealing groove 9 and the second sealing groove 10 are arranged on the first packaging plate 5 respectively, and a mounting ring groove 13 is arranged between the first sealing groove 9 and the second sealing groove 10, the two sealing rings 11 are embedded in the first sealing groove 9 and the second sealing groove 10 respectively, and specifically, when the first pressure sensor 6 is arranged in the mounting ring groove 13, the first pressure sensor 6 is located between the first sealing groove 9 and the second sealing groove 10, and the bottom surface of the second packaging plate 7 is in abutment with the two sealing rings 11 respectively, so that the first pressure sensor 6 is sealed by the two sealing rings 11, and the first pressure sensor 6 is prevented from being damaged by water. Embodiment

[0061] As Figures 1-7As shown in the utility model provides a kind of fastening state real-time monitoring device of electric passenger car fastening bolt 1, including bolt 1, further include the fixed plate 2 for connecting car bottom equipment, the intelligent gasket 3 for detecting bolt 1 fastening stress is equipped on fixed plate 2, data transmission module is equipped in intelligent gasket 3 and is connected with vehicle host computer, and energy storage mechanism is equipped in intelligent gasket 3 and is connected with intelligent gasket 3 and data transmission module respectively;Bolt 1 is connected with car bottom equipment by passing through fixed plate 2 and presses intelligent gasket 3 on fixed plate 2.

[0062] Intelligent gasket 3 includes annular shell 4 equipped on fixed plate 2, first pressure sensor 6 equipped in annular shell 4, encapsulation mechanism for encapsulating first pressure sensor 6 equipped in annular shell 4, early warning mechanism for preventing first pressure sensor 6 from being damaged and being connected with vehicle host computer equipped in encapsulation mechanism, cover 8 for force transmission and being connected with encapsulation mechanism and bolt 1 respectively equipped in annular shell 4, and annular limiting ring 23 equipped on cover 8 and being connected with annular shell 4;Data transmission module is installed on annular shell 4 and is connected with first pressure sensor 6 and early warning mechanism, bolt screw is threaded in annular shell 4, and energy storage mechanism is connected with early warning mechanism.

[0063] Energy storage mechanism includes battery 14 equipped in annular shell 4 and being connected with first pressure sensor 6 and early warning mechanism respectively.

[0064] The more preferred structure of energy storage mechanism is given in embodiment 7 based on embodiment 2, specifically: energy storage mechanism includes battery 14 equipped in annular shell 4 and being connected with first pressure sensor 6.

[0065] The battery 14 of the utility model is installed in the annular shell 4 and is connected with the first pressure sensor 6 and the second pressure sensor 27 respectively, and the battery 14 can provide necessary power support for the first pressure sensor 6 and the second pressure sensor 27, so as to facilitate the first pressure sensor 6 and the second sensor 27 to detect the pressure signal. Embodiment

[0066] As Figures 1-7 As shown in the utility model provides a kind of fastening state real-time monitoring device of electric passenger car fastening bolt 1, including bolt 1, further include the fixed plate 2 for connecting car bottom equipment, the intelligent gasket 3 for detecting bolt 1 fastening stress is equipped on fixed plate 2, data transmission module is equipped in intelligent gasket 3 and is connected with vehicle host computer, and energy storage mechanism is equipped in intelligent gasket 3 and is connected with intelligent gasket 3 and data transmission module respectively;Bolt 1 is connected with car bottom equipment by passing through fixed plate 2 and presses intelligent gasket 3 on fixed plate 2.

[0067] The intelligent gasket 3 comprises a ring-shaped shell 4 arranged on the fixing plate 2, a first pressure sensor 6 arranged in the ring-shaped shell 4, a packaging mechanism arranged in the ring-shaped shell 4 and used for packaging the first pressure sensor 6, a pre-warning mechanism arranged in the packaging mechanism and connected with the vehicle-mounted host computer and used for preventing the first pressure sensor 6 from being damaged, a cover 8 arranged in the ring-shaped shell 4 and connected with the packaging mechanism and the bolt 1 respectively and used for force transmission, and a ring-shaped limiting ring 23 arranged on the cover 8 and connected with the ring-shaped shell 4; the data transmission module is arranged on the ring-shaped shell 4 and connected with the first pressure sensor 6 and the pre-warning mechanism, the screw rod of the bolt 1 is arranged in the ring-shaped shell 4, and the energy storage mechanism is connected with the pre-warning mechanism.

[0068] The energy storage mechanism comprises a storage battery 14 arranged in the ring-shaped shell 4 and connected with the data transmission module and the first pressure sensor 6 respectively.

[0069] The bottom of the ring-shaped shell 4 is provided with a battery mounting groove 15 matched with the storage battery 14, and a battery sealing plate 16 arranged on the ring-shaped shell 4 and used for sealing the battery mounting groove 15; the storage battery 14 is packaged in the battery mounting groove 15 through the battery sealing plate 16.

[0070] The embodiment 8 gives a more preferred structure of the ring-shaped shell 4 on the basis of the embodiment 7, specifically, the bottom of the ring-shaped shell 4 is provided with a battery mounting groove 15 matched with the storage battery 14, and a battery sealing plate 16 arranged on the ring-shaped shell 4 and used for sealing the battery mounting groove 15; the storage battery 14 is packaged in the battery mounting groove 15 through the battery sealing plate 16.

[0071] The bottom of the ring-shaped shell 4 is provided with the battery mounting groove 15, the battery sealing plate 16 arranged on the ring-shaped shell 4 and used for sealing the battery mounting groove 15, the storage battery 14 is arranged in the battery mounting groove 15 and packaged in the battery mounting groove 15 through the battery sealing plate 16, and the battery sealing plate 16 can seal the battery mounting groove 15, so that the storage battery 14 is prevented from being damaged by water. Embodiment

[0072] As shown in Figures 1-7 The utility model discloses a kind of fastening state real-time monitoring devices of electric passenger car fastening bolt 1, including bolt 1, further include the fixing plate 2 for connecting vehicle bottom equipment, it is arranged on the fixing plate 2 and is used for detecting the intelligent gasket 3 of bolt 1 fastening stress, data transmission module is arranged in the intelligent gasket 3 and is connected with vehicle-mounted host computer, and energy storage mechanism is arranged in the intelligent gasket 3 and is connected with the intelligent gasket 3 and data transmission module respectively;Bolt 1 is connected with vehicle bottom equipment by passing through fixing plate 2 and the intelligent gasket 3 is pressed together on fixing plate 2.

[0073] The data transmission module comprises a connector 19 screwed on the smart gasket 3, and a signal line 20 arranged in the connector 19, one end of which is connected with the smart gasket 3 and the other end of which is connected with the vehicle-mounted host.

[0074] The data transmission module comprises a connector 19 screwed on the smart gasket 3, and a signal line 20 arranged in the connector 19, one end of which is connected with the smart gasket 3 and the other end of which is connected with the vehicle-mounted host.

[0075] The data transmission module comprises a connector 19 screwed on the smart gasket 3, and a signal line 20 arranged in the connector 19, one end of which is connected with the smart gasket 3 and the other end of which is connected with the vehicle-mounted host.

[0076] Embodiment 10.

[0077] As shown in Figures 1-7 The utility model provides a kind of fastening state real-time monitoring device of fastening bolt 1 of electric passenger car, including bolt 1, further include the fixed plate 2 for connecting car bottom equipment, be arranged on the fixed plate 2 and be used to detect the smart gasket 3 of bolt 1 fastening stress, be arranged in the data transmission module of smart gasket 3 and be connected with vehicle-mounted host, and be arranged in the energy storage mechanism of smart gasket 3 and be connected with smart gasket 3 and data transmission module respectively;Bolt 1 is connected with car bottom equipment by passing through fixed plate 2 and presses together smart gasket 3 on fixed plate 2.

[0078] Fixed plate 2 is equipped with bottom plate 21, bottom plate 21 is abutted with smart gasket 3, and washer 22 is equipped between the head of bolt 1 and smart gasket 3.

[0079] Fixed plate 2 is equipped with bottom plate 21, bottom plate 21 is abutted with smart gasket 3, and washer 22 is equipped between the head of bolt 1 and smart gasket 3.

[0080] The utility model discloses bottom plate 21 set up in fixed plate 2, bottom plate 21 with annular casing 4 top and butt, and the head of bolt 1 and annular casing 4 between be equipped with washer 22, and washer 22 with cover 8 top and butt, in the use process, along with bolt 1 constantly screwing, the head of bolt 1 constantly exerts pressure to washer 22, washer 22 promotes cover 8 and moves down, and cover 8 exerts pressure to second encapsulation plate 7, and second encapsulation plate 7 extrudes first pressure sensor 6, thereby facilitating first pressure sensor 6 to the pressure of bolt 1 and carry out detection, and bottom plate 21 can facilitate to support annular casing 4.

[0081] The utility model discloses battery 14 gives priority to adopting button cell.

[0082] The utility model discloses first pressure sensor 6, battery 14, second pressure sensor 27 and vehicle-mounted host computer all are prior art, can purchase and use directly on the market, therefore, about the structure, circuit and principle of first pressure sensor 6, battery 14 second pressure sensor 27 and vehicle-mounted host computer are not repeated here.

[0083] The utility model discloses intelligent washer 3 can be applied to the key bolt in track, contact network, tunnel, bridge etc. in track transportation, thereby facilitating the real -time monitoring of bolt fastening stress.

[0084] Finally, it should be noted that: the above embodiments are merely the preferred embodiments of the utility model for describing the technical solutions of the utility model, but not limiting them, of course, nor limit the patent scope of the utility model; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitution to part or all technical features; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model; that is to say, but whatever makes the substantive meaning of the main body design idea and spirit of the utility model, or the polishing, the technical problem solved is still consistent with the utility model, and all should be included in the protection scope of the utility model; in addition, the technical solutions of the utility model are directly or indirectly used in other related technical fields, and the same reason includes in the patent protection scope of the utility model.

Claims

1. A real-time monitoring device for the condition of fasteners of an electric passenger car, comprising a bolt (1), characterized in that, The application also comprises a fixing plate (2) for connecting the vehicle bottom equipment, an intelligent washer (3) for detecting the fastening stress of the bolt (1) arranged on the fixing plate (2), a data transmission module arranged in the intelligent washer (3) and connected with the vehicle host computer, and an energy storage mechanism arranged in the intelligent washer (3) and connected with the intelligent washer (3) and the data transmission module respectively; the bolt (1) is connected with the vehicle bottom equipment through the fixing plate (2) and presses the intelligent washer (3) on the fixing plate (2).

2. A real-time monitoring device for a fastener status of an electric passenger car according to claim 1, characterized in that, The intelligent washer (3) comprises a ring-shaped shell (4) arranged on the fixing plate (2), a first pressure sensor (6) arranged in the ring-shaped shell (4), an encapsulation mechanism arranged in the ring-shaped shell (4) and used for encapsulating the first pressure sensor (6), a warning mechanism arranged in the encapsulation mechanism and connected with the vehicle host computer and used for preventing the first pressure sensor (6) from being damaged, a cover (8) arranged in the ring-shaped shell (4) and connected with the encapsulation mechanism and the bolt (1) respectively and used for force transmission, and a ring-shaped limiting ring (23) arranged on the cover (8) and connected with the ring-shaped shell (4); the data transmission module is arranged on the ring-shaped shell (4) and connected with the first pressure sensor (6) and the warning mechanism, the screw rod of the bolt (1) is arranged in the ring-shaped shell (4), and the energy storage mechanism is connected with the warning mechanism.

3. A real-time monitoring device for fastener status of an electric passenger car as claimed in claim 2, wherein, The encapsulation mechanism comprises a mounting groove (12) arranged on the ring-shaped shell (4), and a first encapsulation plate (5) and a second encapsulation plate (7) arranged in the mounting groove (12); the first pressure sensor (6) is arranged between the first encapsulation plate (5) and the second encapsulation plate (7) in abutment, the warning mechanism is arranged between the first encapsulation plate (5) and the second encapsulation plate (7), a sealing mechanism is arranged between the first encapsulation plate (5) and the second encapsulation plate (7), and the cover (8) is in abutment with the second encapsulation plate (7).

4. A real-time monitoring device for fastener status of an electric passenger car as claimed in claim 3 wherein, The warning mechanism comprises a stress rod (24) arranged on the first encapsulation plate (5), a limiting plate (25) slidingly arranged on the stress rod (24), a pressure spring (26) sleeved on the stress rod (24) and in abutment at one end with the top surface of the first encapsulation plate (5) and at the other end with the bottom surface of the limiting plate (25), a second pressure sensor (27) arranged at the end of the stress rod (24), and a giving-way groove (28) arranged on the second encapsulation plate (7) and matched with the stress rod (24), the stress rod (24) is inserted into the giving-way groove (28) and in abutment with the top surface of the limiting plate (25); the second pressure sensor (27) is connected with the data transmission module and the energy storage mechanism respectively.

5. A real-time monitoring device for fastener status of an electric passenger car as claimed in claim 3 wherein, The first encapsulation plate (5) is provided with a mounting ring groove (13) matched with the first pressure sensor (6), the first pressure sensor (6) is arranged in the mounting ring groove (13) and in abutment at the top surface and the bottom surface with the second encapsulation plate (7) and the first encapsulation plate (5) respectively.

6. A real-time monitoring device for fastener status of an electric passenger car as claimed in claim 3 wherein, The sealing mechanism comprises a first sealing groove (9) and a second sealing groove (10) respectively formed on the first sealing plate (5), and two sealing rings (11) respectively embedded in the first sealing groove (9) and the second sealing groove (10), and the first pressure sensor (6) is located between the first sealing groove (9) and the second sealing groove (10).

7. A real-time monitoring device for a fastener of an electric passenger car as claimed in claim 2, wherein, The energy storage mechanism comprises a battery (14) arranged in the annular shell (4) and connected with the first pressure sensor (6) and the early warning mechanism.

8. A real-time monitoring device for fastener status of an electric passenger car as claimed in claim 7, wherein, The bottom of the annular shell (4) is provided with a battery mounting groove (15) matched with the battery (14), and a battery sealing plate (16) arranged on the annular shell (4) for sealing the battery mounting groove (15); the battery (14) is encapsulated in the battery mounting groove (15) through the battery sealing plate (16).

9. A real-time monitoring device for a fastener condition of an electric passenger car as claimed in claim 1, wherein, The data transmission module comprises a connector (19) threadedly connected to the intelligent gasket (3), and a signal line (20) arranged in the connector (19) and connected at one end with the intelligent gasket (3) and at the other end with the vehicle-mounted host.

10. The real-time monitoring device for a fastener status of an electric passenger car according to claim 1, characterized in that, The fixing plate (2) is provided with a bottom plate (21) abutting against the intelligent gasket (3), and a gasket (22) is arranged between the head of the bolt (1) and the intelligent gasket (3).

Images