CN202991775U - Bolt - Google Patents
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- Publication number
- CN202991775U CN202991775U CN 201220684532 CN201220684532U CN202991775U CN 202991775 U CN202991775 U CN 202991775U CN 201220684532 CN201220684532 CN 201220684532 CN 201220684532 U CN201220684532 U CN 201220684532U CN 202991775 U CN202991775 U CN 202991775U
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- Prior art keywords
- bolt
- data processing
- wireless communication
- value
- strain
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Abstract
The utility model discloses a bolt, which is characterized in that a wireless sensor is arranged inside the bolt, and a strain gage is stuck to an elastic body inside the bolt; the wireless sensor comprises a strain measurement unit, a data processing unit and a wireless communication unit; the strain measurement unit acquires the strain value of the strain gage in real time; the data processing unit collects the strain value output by the strain measurement unit, converts the collected strain value into a tension value, and sends the tension value to the wireless communication unit; the wireless communication unit sends the received tension value to a remote monitoring mainframe in a wireless manner, receives the operating instruction sent by the remote monitoring mainframe, and sends the operating instruction to the data processing unit; and the data processing unit performs collection operation via the received operating instruction. By applying the scheme provided by the utility model, safety of equipment equipped with the bolt can be improved.
Description
Technical field
The utility model relates to mechanical field, particularly a kind of bolt.
Background technique
Bolt is the fixing indispensable device of a lot of main equipments such as blower fan support, high frame iron tower.Due to a variety of causes, may cause bolt to occur loosening, thereby make main equipment generation serious accident, therefore, in time find loosening bolt, safeguard that for main equipment very important meaning is arranged.
But, also there is no a kind of mode of effective monitoring bolt tightness in prior art, thereby reduced the Security of bolt place equipment.
The model utility content
In view of this, the utility model provides a kind of bolt, can improve the Security of bolt place equipment.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of bolt, described bolt inside are provided with wireless senser, and are pasted with foil gauge on the elastomer of described bolt inside;
Described wireless senser comprises: strain measurement unit, data processing unit and wireless communication unit;
Described strain measurement unit is connected with described data processing unit and described foil gauge, and described data processing unit is connected with described strain measurement unit and described wireless communication unit;
The strain value of the described foil gauge of described strain measurement unit Real-time Obtaining; Described data processing unit gathers the strain value of described strain measurement unit output, the strain value that collects is converted to value of thrust, and described value of thrust is sent to described wireless communication unit; Described wireless communication unit sends to the remote monitoring main frame with the value of thrust that receives by wireless mode;
Described wireless communication unit receives the operational order that described remote monitoring main frame sends, and sends to described data processing unit; Described data processing unit carries out acquisition operations according to the operational order that receives.
As seen, adopt scheme described in the utility model, can monitor the value of thrust of bolt by the remote monitoring main frame, and value of thrust can reflect the tightness of bolt, therefore, also can monitor the tightness of bolt by the remote monitoring main frame with regard to being equivalent to, thereby can in time find the bolt that becomes flexible, and then improve the Security of bolt place equipment.
Description of drawings
Fig. 1 is the composition structural representation of the utility model bolt.
Fig. 2 is the composition structural representation of the utility model wireless senser.
Fig. 3 is the principle schematic of the utility model strain bridge circuit.
Embodiment
For problems of the prior art, a kind of bolt is proposed in the utility model, its inside is provided with wireless senser, and is pasted with foil gauge on its inner elastomer.
Fig. 1 is the composition structural representation of the utility model bolt.As shown in Figure 1,1 expression bolt wherein, 2 expression sealing covers are used for sealing the wireless senser 3 that is arranged on bolt inside, can open sealing cover 2 in order to wireless senser 3 is changed the operation such as battery; 4 expression wires are used for connecting wireless senser 3 and foil gauge 5; 6 expression nuts, in actual applications, nut 6 may exist, may not exist yet, because some bolts may need nut, and not needing of having.
Fig. 2 is the composition structural representation of the utility model wireless senser.As shown in Figure 2, comprising: strain measurement unit, data processing unit and wireless communication unit.
The strain measurement unit is connected with data processing unit and foil gauge, and data processing unit is connected with strain measurement unit and wireless communication unit;
The strain value of strain measurement unit Real-time Obtaining foil gauge; Data processing unit gathers the strain value of strain measurement unit output, the strain value that collects is converted to value of thrust, and value of thrust is sent to wireless communication unit; Wireless communication unit sends to the remote monitoring main frame with the value of thrust that receives by wireless mode;
The operational order that wireless communication unit receiving remote monitoring host computer sends sends to data processing unit; Data processing unit carries out acquisition operations according to the operational order that is received from wireless communication unit.
Wherein, strain measurement can comprise in the unit: bridge resistance, and bridge resistance is connected with foil gauge, and bridge resistance and foil gauge form the strain bridge circuit jointly.
Fig. 3 is the principle schematic of the utility model strain bridge circuit.Figure 3 shows that a kind of Wheatstone bridge, can be according to the corresponding voltage signal of the resistance change situation of foil gauge output, with the voltage signal of the output strain value as foil gauge; Element in dotted line frame shown in Fig. 3 belongs to the strain measurement unit, and the outer element of dotted line frame belongs to foil gauge; When the tightness of bolt changes, will cause resistance value in foil gauge change (foil gauge generation strain), thereby it is uneven to make Wheatstone bridge occur, and then make the linear voltage signal of Wheatstone bridge output and strain, this voltage signal refer to Sx+ in the dotted line frame shown in Fig. 3 and the voltage difference between Sx-two ends; The concrete value of the bridge voltage shown in Fig. 3, bridge resistance and line resistance etc. all can be decided according to the actual requirements.
Data processing unit can carry out pretreatment to the strain value of strain measuring unit output, and pretreated strain value is gathered.Described pretreatment can comprise: amplification, filtering and mould/number conversion etc.Wherein, amplify the strain value of processing for to the output of strain measuring unit and amplify, the filtering processing is used for the Noise and Interference of filtering strain value etc., and mould/number conversion is used for realizing that analogue signal is to the conversion of digital signal.
Data processing unit is converted to value of thrust with the strain value that collects, if the prior art of being converted to, and the value of thrust that obtains would be sent to wireless communication unit.In addition, data processing unit is when the value of thrust that will obtain sends to wireless communication unit, also the sign of the sign of the bolt of self pre-save and bolt place equipment can be sent to wireless communication unit, so that follow-up remote monitoring main frame knows that the value of thrust that receives is corresponding to which bolt (corresponding a plurality of bolts of remote monitoring main frame meeting usually).
Channel radio is crossed the unit and is received the value of thrust that data processing unit sends, or after the sign of the sign of value of thrust and bolt and bolt place equipment, with wireless mode, the content that receives is sent to the remote monitoring main frame.
In addition, the operational order that wireless communication unit can also wireless mode receiving remote monitoring host computer sends sends it to data processing unit; Correspondingly, data processing unit carries out acquisition operations according to the operational order that receives, as begins to gather, finishes to gather, arrange sample rate etc.
Wireless communication unit can adopt 802.154 wireless communication protocols, support the multiple network topological structures such as point-to-point, star-like, line style, tree type, and, for satisfying the communication distance demand, can comprise in wireless communication unit: transmitting antenna and power amplifier (for simplifying accompanying drawing, not shown), wherein, transmitting antenna is used for carrying out reception and the transmission of signal, and power amplifier is used for carrying out power amplification to receiving with the signal that sends.Power amplifier can possess again and comprises: the radio-frequency power amplifier HFA3925 on sendaisle and the low noise amplifier HFA3424 on receive path, radio-frequency power amplifier HFA3925 can realize 2.4GHz transmit signal power enlarging function, the gain amplifier maximum can reach 28dB, the output power maximum can reach 250mW, low noise amplifier HFA3424 can realize that 2.4GHz receives signal low noise amplification function, and the gain amplifier maximum can reach 14dB.
Also can further comprise in wireless senser shown in Figure 2: battery and PMU for simplifying accompanying drawing, do not illustrate battery.
Battery is that each constituent element in wireless senser is powered; PMU all is connected with each constituent element in wireless senser, battery is carried out management of charging and discharging, and the power supply of each constituent element in wireless senser is managed independently, when arbitrary constituent element is idle, can control it and enter state of dormancy or close power supply to it, thereby reduce the total power consumption of wireless senser.Data processing unit also can carry out Real Time Monitoring to the situations such as voltage, electric current and temperature of battery, overcharges and owes the generation of the phenomenons such as electricity to prevent power supply, and monitored results in time can be reported the remote monitoring main frame by wireless communication unit.
In actual applications, wireless communication unit shown in Figure 2 and data processing unit can realize by System on Chip/SoC CC2430, and the function that is about to two unit integrates realization.System on Chip/SoC CC2430 has higher performance and can satisfy take honeycomb (Zigbee) technology as basic 2.4GHz industry, science and medical treatment (ISM, Industry ScienceMedical) wave band is used the requirement to low-cost and low power consumption, it combines a high-performance 2.4GHz DSSS (DSSS, Direct Sequence Spread Spectrum) RF transceiver core and small and exquisite efficient 8051 controllers of technical grade.
In a word, adopt scheme described in the utility model, can monitor the tightness of bolt by the remote monitoring main frame, thereby can in time find the bolt that becomes flexible, and then improved the Security of bolt place equipment.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of the utility model protection.
Claims (7)
1. a bolt, is characterized in that, described bolt inside is provided with wireless senser, and be pasted with foil gauge on the elastomer of described bolt inside;
Described wireless senser comprises: strain measurement unit, data processing unit and wireless communication unit;
Described strain measurement unit is connected with described data processing unit and described foil gauge, and described data processing unit is connected with described strain measurement unit and described wireless communication unit;
The strain value of the described foil gauge of described strain measurement unit Real-time Obtaining; Described data processing unit gathers the strain value of described strain measurement unit output, the strain value that collects is converted to value of thrust, and described value of thrust is sent to described wireless communication unit; Described wireless communication unit sends to the remote monitoring main frame with the value of thrust that receives by wireless mode;
Described wireless communication unit receives the operational order that described remote monitoring main frame sends, and sends to described data processing unit; Described data processing unit carries out acquisition operations according to the operational order that receives.
2. bolt according to claim 1, is characterized in that,
Described strain measurement unit comprises: bridge resistance, and described bridge resistance is connected with described foil gauge;
Described bridge resistance and described foil gauge form Wheatstone bridge, and described Wheatstone bridge is according to the corresponding voltage signal of resistance change situation output of described foil gauge, with the strain value of voltage signal as described foil gauge.
3. bolt according to claim 1, is characterized in that,
Described data processing unit carries out pretreatment to the strain value of described strain measurement unit output, and described pretreatment comprises: amplification, filtering and mould/number conversion, and pretreated strain value is gathered.
4. bolt according to claim 1, is characterized in that,
Described data processing unit sends to described wireless communication unit with the sign of the sign of described bolt and described bolt place equipment when described value of thrust is sent to described wireless communication unit;
Described wireless communication unit sends to described remote monitoring main frame with the sign of the sign of described bolt and described bolt place equipment when described value of thrust is sent to described remote monitoring main frame.
5. bolt according to claim 1, is characterized in that, described wireless communication unit comprises: transmitting antenna and power amplifier;
Described transmitting antenna carries out reception and the transmission of signal; Described power amplifier carries out power amplification to receiving with the signal that sends.
6. the described bolt of any one according to claim 1～5, is characterized in that, described wireless senser further comprises: battery and PMU;
Described battery is that each constituent element in described wireless senser is powered;
Described PMU all is connected with each constituent element in described wireless senser, described battery is carried out management of charging and discharging, and the power supply of each constituent element in described wireless senser is managed independently, when arbitrary constituent element is idle, controls it and enter state of dormancy or close power supply to it.
7. the described bolt of any one according to claim 1～5, is characterized in that, described wireless communication unit and described data processing unit are realized by System on Chip/SoC CC2430.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220684532 CN202991775U (en) | 2012-12-12 | 2012-12-12 | Bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220684532 CN202991775U (en) | 2012-12-12 | 2012-12-12 | Bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991775U true CN202991775U (en) | 2013-06-12 |
Family
ID=48562959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220684532 Expired - Lifetime CN202991775U (en) | 2012-12-12 | 2012-12-12 | Bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991775U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016489A (en) * | 2012-12-12 | 2013-04-03 | 北京必创科技有限公司 | Bolt |
| CN104791360A (en) * | 2015-04-21 | 2015-07-22 | 杨志强 | Intelligent bolt with pretightening force and temperature rising monitoring |
| CN107761756A (en) * | 2017-09-26 | 2018-03-06 | 郑州东辰科技有限公司 | A kind of installation method of stringing steel tower |
| CN107882409A (en) * | 2017-09-26 | 2018-04-06 | 郑州拽亘电子科技有限公司 | The installation method of stringing steel tower |
| CN109738106A (en) * | 2019-01-11 | 2019-05-10 | 重庆大学 | A kind of intelligent wireless bolt that can detect bolt pretightening and bent screws state |
| CN110953233A (en) * | 2019-11-13 | 2020-04-03 | 南昌大学 | Stud structure capable of accurately measuring pressure in real time |
| GB2604113A (en) * | 2021-02-23 | 2022-08-31 | Jr Dynamics Ltd | Tension monitoring apparatus |
-
2012
- 2012-12-12 CN CN 201220684532 patent/CN202991775U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016489A (en) * | 2012-12-12 | 2013-04-03 | 北京必创科技有限公司 | Bolt |
| CN104791360A (en) * | 2015-04-21 | 2015-07-22 | 杨志强 | Intelligent bolt with pretightening force and temperature rising monitoring |
| CN107761756A (en) * | 2017-09-26 | 2018-03-06 | 郑州东辰科技有限公司 | A kind of installation method of stringing steel tower |
| CN107882409A (en) * | 2017-09-26 | 2018-04-06 | 郑州拽亘电子科技有限公司 | The installation method of stringing steel tower |
| CN109738106A (en) * | 2019-01-11 | 2019-05-10 | 重庆大学 | A kind of intelligent wireless bolt that can detect bolt pretightening and bent screws state |
| CN110953233A (en) * | 2019-11-13 | 2020-04-03 | 南昌大学 | Stud structure capable of accurately measuring pressure in real time |
| GB2604113A (en) * | 2021-02-23 | 2022-08-31 | Jr Dynamics Ltd | Tension monitoring apparatus |
| GB2604113B (en) * | 2021-02-23 | 2024-02-21 | Jr Dynamics Ltd | Tension monitoring apparatus |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100085 Beijing city Haidian District on the seven street, Huizhong building room 710 Patentee after: BEIJING WILL CREATE TECHNOLOGY Co.,Ltd. Address before: 100085 Beijing city Haidian District on the seven street, Huizhong building room 710 Patentee before: BEIJING BEETECH TECHNOLOGY CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |