CN2813396Y - Electromagnetic active vehicle wheels sensor - Google Patents
Electromagnetic active vehicle wheels sensor Download PDFInfo
- Publication number
- CN2813396Y CN2813396Y CN 200520035346 CN200520035346U CN2813396Y CN 2813396 Y CN2813396 Y CN 2813396Y CN 200520035346 CN200520035346 CN 200520035346 CN 200520035346 U CN200520035346 U CN 200520035346U CN 2813396 Y CN2813396 Y CN 2813396Y
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- magnetic head
- cable
- housing
- transmission
- rail
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Abstract
The utility model discloses an electromagnetic active sensor for wheels, which comprises a receiving magnetic head (1) and a transmitting magnetic head (3), wherein the receiving magnetic head (1) and the transmitting magnetic head (3) are positioned on both sides of a steel rail (2). A transmitting support (7) is arranged among the receiving magnetic head (1), the transmitting magnetic head (3) and the steel rail (2), the receiving magnetic head (1) and the transmitting magnetic head (3) are arranged on a rail web of the steel rail (2) through bolts (8) penetrating the transmitting support (7), and the receiving magnetic head (1) and the transmitting magnetic head (3) are respectively connected with an electronic detection box (5) through cables. The utility model solves the problem that phase change produced when the wheels pass through the sensor is used for detecting the wheel pairs of the wheels. The installation of the sensor of the utility model is completed by punching holes on the rail web of the steel rail, and the utility model has the advantages of convenient installation and reliable fastening. Various effective anti-loosening measures are used at the connecting positions of components, therefore the high frequency sensor can reliably work for a long term under the condition of violent vibration.
Description
Technical field
The utility model relates to railway wheel sensor, especially a kind of active wheel sensor of electromagnetic type that is installed on the rail.
Background technology
When train during from a certain website to next website, need to check whether whole train passes through safely, whether have the compartment phenomenon, detecting these phenomenons mainly uses and detects the right method of train wheel wheel and carry out, as being that how many vehicle wheel are right by a certain website, whether next website is that the vehicle wheel of equal number is to passing through, thereby by the method detect train whether safety by or the compartment of falling phenomenon arranged, be mounted in rail foot and be used to detect the right detecting device of train wheel wheel at present, because its volume is bigger, when mounted, need push track aside and install, install pretty troublesome, difficulty, and existing detecting device is to be installed on rail foot, like this a little less than the anti-vibration, thereby the normal operation of influence, in addition, because existing detecting device internal work voltage request is very high, and a little less than its anti-vibration, cause its service life shorter like this.
Summary of the invention
The purpose of this utility model provides a kind of install simple, the strong active wheel sensor of electromagnetic type of anti-vibration.
In order to achieve the above object, the utility model adopts following technical scheme to be: the active wheel sensor of a kind of electromagnetic type, comprise and receive magnetic head, transmission magnetic head, receive magnetic head and send the both sides that magnetic head is positioned at rail, between reception magnetic head, transmission magnetic head and rail, the transmission support is arranged, receive magnetic head and be installed on the web of the rail of rail with the bolt of transmission magnetic head through passing the transmission support; Receiving magnetic head is connected with the detection of electrons box by cable respectively with the transmission magnetic head.
This programme will receive magnetic head and send the both sides that magnetic head is positioned at rail, between reception magnetic head, transmission magnetic head and rail the transmission support be arranged, and receive magnetic head and send the bolt of magnetic head through passing the transmission support to be installed on the web of the rail of rail; Receiving magnetic head is connected with the detection of electrons box by cable respectively with the transmission magnetic head.The utility model adopts the mounting means punch on the web of the rail of rail, directly will receive magnetic head and send magnetic head by bolt to be installed in the rail both sides respectively, like this, install simple, and fastening reliably, anti-vibration is strong; Because will receive magnetic head, transmission magnetic head, detection of electrons box are separated into three cell arrangements, and different positions is installed respectively, each unit volume is less like this, and is easy for installation, easy.
The utility model has the advantages that: easy for installation, simple, fastening reliable, anti-vibration is strong, can work reliably and with long-term under the high vibration condition.
Description of drawings
Fig. 1 is a mounting structure scheme drawing of the present utility model;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the structural representation that sends magnetic head 3 in the utility model;
Fig. 4 is the structural representation that receives magnetic head 1 in the utility model.
The specific embodiment
The structure of the active wheel sensor of a kind of electromagnetic type of the utility model is as shown in Figure 1 and Figure 2:, mainly constitute by reception magnetic head 1, transmission magnetic head 3, detection of electrons box 5, transmission support 7, bolt 8, cable, 22 expression sleepers, wherein receive magnetic head 1 and send the both sides that magnetic head 3 is positioned at rail 2, between reception magnetic head 1, transmission magnetic head 3 and rail 2, the support 7 of transmission is arranged, receive magnetic head 1 and be installed on the web of the rail of rail 2 with the bolt 8 of transmission magnetic head 3 through passing transmission support 7; Receiving magnetic head 1 is connected with detection of electrons box 5 by cable respectively with transmission magnetic head 3.Receive magnetic head 1, transmission magnetic head 3 and detection of electrons box 5 bonded assembly cable jackets protecting tube 4 is arranged; Detection of electrons box 5 is installed on the roadbed by bracket base 6.The installation of sensor adopts web of the rail punching to be fixed on the rail in the utility model, and is easy for installation, fastening reliable, all adopted various locking effectively measures at each parts connecting portion, and high frequency sensors can be worked under the condition of high vibration reliably and with long-term.Operating frequency range is 20kHz～40kHz, reduces the various low-frequency disturbance of circuit effectively, thereby improved reliability, and be a kind of sensor of safety-type.
See that Fig. 3 as can be known: described transmission magnetic head 3 is by cable 9, fastening swivel nut 10, sealant 11, connect swivel nut 12, seal ring 13, send housing 14, locating support 15, sending coil 16 constitutes, wherein the coil 16 of transmission is arranged at transmission housing 14 inner chambers, sending coil 16 is fixed on transmission housing 14 inwalls by locating support 15, one that sends coil 16 and cable 9 is connected, stretch out outside the end that sends housing 14 other end of cable 9, on the cable 9 that sends housing 14 these ends, be with and connect swivel nut 12, between connection swivel nut 12 and cable 9, be filled with sealant 11, send housing 14 described these ends and, between fastening swivel nut 10 and transmission housing 14, seal ring 13 is arranged by being enclosed within fastening swivel nuts 10 sealings that connect outside the swivel nut 12.
See that Fig. 4 as can be known: described reception magnetic head 1 is made of reception housing 17, cable 18, receiving coil 19, locating support 20, wherein receiving coil 19 is arranged at reception housing 17 inner chambers, receiving coil 19 is fixed on by locating support 20 and receives on housing 17 inwalls, receiving coil 19 is connected with cable 18, and the other end of cable 18 is stretched out and received outside the housing 17.Cable 18 is fixed on by cable pressing plate 21 and receives on the housing 17.Receiving coil 19 is a picture control coil; Described transmission magnetic head and reception magnetic head inner structure uniqueness, used Embedding Material function admirable is to form by unique formula, and is ageing-resistant, withstanding corrosion, protection against the tide adapts to the special rural atmosphere of railway.
It is right that problem to be solved in the utility model is that the phase change that produces when utilizing wheel by sensor detects vehicle wheel, its sensor electrical equipment performance and parameter stability, and adaptive capacity is strong, has good conformability.Its principle of work is: the circuit in the EAK detection of electrons box 5 shown in Fig. 1 constitutes the LC oscillation circuit, around rail 2, constitute alternating magnetic field, in advance by adjusting the elevation angle that sends magnetic head 3, make the direction in magnetic field reach the position an of the best, receive magnetic head 1 and will change into by the magnetic flux of receiving coil 19 in the acceptor circuit that voltage is coupled to EAK detection of electrons box 5, and change into high-low level by amplifying rectification by electromagnetic induction.When rail 2 by the magnetic head top of the wheel shaft of train, the alternating magnetic fields direction is changed, receive the change that magnetic head 1 detects this magnetic field phase place, make it that opposite level uses for main frame when producing with no wheel shaft after the rectification by amplifying.Whole principle can simply be called phase-demodulating principle, is not subjected to the influence of amplitude size.When circuit has fault, all provide level the same when wheel shaft is arranged, so it is again a kind of equipment of safety-type.The working sensor frequency limit is 20kHz～40kHz, has reduced the various low-frequency disturbance of circuit effectively, thereby has improved reliability.All the above all be existing wheel sensor can not compare.
Claims (5)
1, the active wheel sensor of a kind of electromagnetic type, comprise and receive magnetic head (1), transmission magnetic head (3), it is characterized in that: receive magnetic head (1) and send the both sides that magnetic head (3) is positioned at rail (2), between reception magnetic head (1), transmission magnetic head (3) and rail (2), transmission support (7) is arranged, receive magnetic head (1) and transmission magnetic head (3) and be installed on the web of the rail of rail (2) through passing the bolt (8) that sends support (7); Receiving magnetic head (1) is connected with detection of electrons box (5) by cable respectively with transmission magnetic head (3).
2, the active wheel sensor of electromagnetic type according to claim 1, it is characterized in that: described transmission magnetic head (3) is by cable (9), fastening swivel nut (10), sealant (11), connect swivel nut (12), seal ring (13), send housing (14), locating support (15), sending coil (16) constitutes, wherein transmission coil (16) is arranged at transmission housing (14) inner chamber, sending coil (16) is fixed on transmission housing (14) inwall by locating support (15), one that sends coil (16) and cable (9) is connected, stretch out outside the end that sends housing (14) other end of cable (9), on the cable (9) that sends this end of housing (14), be with and connect swivel nut (12), between connection swivel nut (12) and cable (9), be filled with sealant (11), send described this end of housing (14) and connect outer fastening swivel nut (10) sealing of swivel nut (12), between fastening swivel nut (10) and transmission housing (14), seal ring (13) is arranged by being enclosed within.
3, the active wheel sensor of electromagnetic type according to claim 1, it is characterized in that: described reception magnetic head (1) is by receiving housing (17), cable (18), receiving coil (19), locating support (20) formation, wherein receiving coil (19) is arranged at reception housing (17) inner chamber, receiving coil (19) is fixed on by locating support (20) and receives on housing (17) inwall, one of receiving coil (19) and cable (18) is connected, and the other end of cable (18) is stretched out and received outside the housing (17).
4, according to claim 1 or the active wheel sensor of 2 or 3 described electromagnetic types, it is characterized in that: receiving magnetic head (1), transmission magnetic head (3) and detection of electrons box (5) bonded assembly cable jacket has protecting tube (4); Detection of electrons box (5) is installed on the roadbed by bracket base (6).
5, the active wheel sensor of electromagnetic type according to claim 3 is characterized in that: cable (18) is fixed on by cable pressing plate (21) and receives on the housing (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035346 CN2813396Y (en) | 2005-09-02 | 2005-09-02 | Electromagnetic active vehicle wheels sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035346 CN2813396Y (en) | 2005-09-02 | 2005-09-02 | Electromagnetic active vehicle wheels sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2813396Y true CN2813396Y (en) | 2006-09-06 |
Family
ID=36948480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035346 Expired - Lifetime CN2813396Y (en) | 2005-09-02 | 2005-09-02 | Electromagnetic active vehicle wheels sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2813396Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448752A (en) * | 2013-09-18 | 2013-12-18 | 周口市凯旺电子科技有限公司 | Wheel sensor |
| CN112689589A (en) * | 2018-09-06 | 2021-04-20 | 福豪盛传感器技术有限公司 | Sensor device |
-
2005
- 2005-09-02 CN CN 200520035346 patent/CN2813396Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448752A (en) * | 2013-09-18 | 2013-12-18 | 周口市凯旺电子科技有限公司 | Wheel sensor |
| CN103448752B (en) * | 2013-09-18 | 2015-10-28 | 周口市凯旺电子科技有限公司 | A kind of wheel sensor |
| CN112689589A (en) * | 2018-09-06 | 2021-04-20 | 福豪盛传感器技术有限公司 | Sensor device |
| CN112689589B (en) * | 2018-09-06 | 2023-10-24 | 福豪盛传感器技术有限公司 | Sensor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU RAILWAY COMMUNICATION EQUIPMENT CO., LTD. Free format text: FORMER NAME: CHENGDU RAILWAY COMMUNICATING EQUIPMENT FACTORY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610045 No. 1 Cao Dong Road East, Chengdu, Sichuan Patentee after: Chengdu Railway Communication Equipment Co.,Ltd. Address before: 610045 No. 1 Cao Dong Road East, Chengdu, Sichuan Patentee before: Chengdu Railway Communicating Equipment Factory |
|
| CX01 | Expiry of patent term |
Expiration termination date: 20150902 Granted publication date: 20060906 |
|
| EXPY | Termination of patent right or utility model |