CN201600208U - Stress strain remote monitoring instrument - Google Patents
Stress strain remote monitoring instrument Download PDFInfo
- Publication number
- CN201600208U CN201600208U CN2009202724360U CN200920272436U CN201600208U CN 201600208 U CN201600208 U CN 201600208U CN 2009202724360 U CN2009202724360 U CN 2009202724360U CN 200920272436 U CN200920272436 U CN 200920272436U CN 201600208 U CN201600208 U CN 201600208U
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- triple channel
- channel strain
- strain acquirement
- circuit
- power
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Abstract
The utility model discloses a stress strain remote monitoring instrument, which mainly comprises a case and three-channel strain collectors arranged inside the case. The stress strain remote monitoring instrument is characterized in that a mainboard, a built-in power supply, three-channel strain collecting cards and a control circuit are further arranged inside the case; the mainboard is connected with the three-channel strain collectors; the built-in power supply is connected with the mainboard; the three-channel strain collecting cards are arranged on the three-channel strain collectors; the control circuit is connected with the three-channel strain collectors; an output end of each three-channel strain collector is combined into a bus and connected with a wireless transmission module; and the wireless transmission module performs remote data transmission together with a monitoring computer through a wireless transmission network. The number of the three-channel strain collectors arranged inside the case can be increased or decreased according to actual needs, and can reach 8, 16, 32, 64 and even more.
Description
Technical field
The utility model relates to a kind of supervisory system, specifically is meant a kind of stress straining remote monitor that is applicable to various linear elasticity solid materials.
Background technology
At present, when measuring the ess-strain parameter of various linear elasticity solid materials, realize by strain gauge method that all so-called strain gauge method is to utilize the resistance strain gage mechanical quantity on the engineering, convert electric weight to by electric bridge, then a kind of method of measuring by special strain measurement equipment.But this answers the specialized equipment of sheet method to control use at the scene by the staff for realization at present, can not realize remote monitoring and early warning, particularly be not suitable for special occasions by staff's execute-in-place at some, the ess-strain that obtains these linear elasticity solid materials is just very difficult, but also can increase staff's danger.Simultaneously, these equipment at most only possess 80 passages, can not satisfy present high efficiency demand far away.
The utility model content
The purpose of this utility model is to overcome present ess-strain equipment can not realize remote monitoring, early warning, and the lower defective of data acquisition channel quantity, a kind of stress straining remote monitor that can realize that remote monitoring, port number can be configured according to field requirement is provided.
The purpose of this utility model is achieved through the following technical solutions: stress straining remote monitor, mainly form by cabinet and the triple channel strain acquirement device that is arranged on cabinet inside, also be provided with the mainboard that is connected with triple channel strain acquirement device at cabinet inside, the built-in power that is connected with mainboard, be arranged on the triple channel strain acquirement card on the triple channel strain acquirement device, and the control circuit that is connected with triple channel strain acquirement device; The output terminal of each triple channel strain acquirement device is all incorporated bus into and is connected with wireless transport module, and this wireless transport module carries out the remote data transmission by wireless-transmission network and supervisory control comuter.
Further, the quantity of described mainboard be 8 and more than, the quantity of set triple channel strain acquirement device is 8 on each mainboard, and the quantity of triple channel strain acquirement card is corresponding with the quantity of triple channel strain acquirement device.
For the ease of dismounting, described triple channel strain acquirement cartoon is crossed the insertable mode and is connected with triple channel strain acquirement device.
Described control circuit is become by communication interface circuit, bus interface circuit, power control circuit, power circuit and clock circuit bank, and communication interface circuit, bus interface circuit, power control circuit and clock circuit are connected with triple channel strain acquirement device respectively, and power circuit then is connected with power interface on triple channel strain acquirement device, wireless transport module and the cabinet simultaneously.Simultaneously, this power interface is used for linking to each other with external power supply, so that provide working current for equipment of the present utility model.
Described triple channel strain acquirement device is by microprocessor, zeroing circuit that is connected with mainboard and power circuit, and the temperature sensor that is connected with microprocessor, data-carrier store, data communication interface circuit and three identical strain acquirement passages are formed; The electric bridge that described each strain acquirement passage is formed by foil gauge, compensating plate and resistance, the amplifier that is connected with this electric bridge, and the A/D converter that is connected with this amplifier composition, and this A/D converter also is connected with described microprocessor.
In order to realize the utility model preferably, described amplifier employing enlargement factor is 100 times a high-accuracy instrument amplifier, and A/D converter adopts 16 bit strip I
2Little power consumption converter of C interface, and the benchmark of this A/D converter is selected the outside reference voltage source of electric bridge for use.
Simultaneously, described wireless transport module is the GPRS module, and wireless-transmission network to adopt frequency range be that GPRS (General Packet Radio Service, GPRS) transmission network or the frequency range of 900MHz is the CDMA transmission network of 1.8GHz.
In order to ensure equipment energy operate as normal, the power supply mode of described external power supply is the power supply of common batteries group, sun power+storage battery power supply, industry or folk power supply.
The utility model compared with prior art has following advantage and beneficial effect:
(1) quantity of the triple channel strain acquirement device in the utility model cabinet can increase and decrease according to the actual needs, and its quantity can reach 8,16,32,64 even more.Simultaneously, owing to all be provided with 8 triple channel strain acquirement cards on each triple channel strain acquirement device, therefore the quantity of triple channel strain acquirement card of the present utility model can reach 64,128,256,512 even more.So the utility model can satisfy the request for utilization of different occasions and different scales fully.
(2) because each triple channel strain acquirement device inside of the present utility model all has 3 passages, therefore maximum number of channels of the present utility model can reach 1536, is far longer than 80 traditional port numbers.
(3) the utility model can adopt the GPRS wireless network of 900MHz or the cdma wireless network of 1.8GHz arbitrarily, the computing machine that is in terminal not only can be round-the-clock to field apparatus monitor, free of discontinuities measures, and need not manual intervention, and can guarantee to detect the real-time and the reliability of data.Therefore, the utility model can be applied to various occasions, is particularly useful for the higher place of danger coefficient.
(4) employing of the amplifier in the triple channel strain acquirement device of the present utility model enlargement factor is 100 times a high-accuracy instrument amplifier, and A/D converter adopts 16 bit strip I
2Little power consumption converter of C interface also is furnished with temperature sensor simultaneously, cooperates compensating plate and foil gauge again, so the utility model greatly reduces the influence of temperature variation to measuring accuracy.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Fig. 2 is the utility model cabinet inside one-piece construction synoptic diagram.
Fig. 3 is the utility model cabinet inside integrated circuit structural representation.
Fig. 4 is a triple channel strain acquirement device inner structure synoptic diagram of the present utility model.
Fig. 5 is a casing structure synoptic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with embodiment, but embodiment of the present utility model is not limited thereto.
Embodiment
Shown in Fig. 1～3, triple channel strain acquirement device of the present utility model is arranged on the mainboard of cabinet inside, and also is provided with power supply, wireless transport module and control circuit shown in Fig. 2 and 3 at cabinet inside.Described control circuit is made up of communication interface circuit, bus interface circuit, power control circuit, clock circuit and power circuit.During connection, one end of power circuit is connected with the power interface on being fixed on cabinet, the other end then is connected with triple channel strain acquirement device with wireless transport module respectively, by this power circuit, direct current that external power supply provided or alternating current all can convert the operating voltage of the 12V that is fit to triple channel strain acquirement device and wireless transport module work to.Simultaneously, also be provided with accumulator interface shown in Figure 5 on cabinet, promptly the utility model also can directly be powered to it by accumulator or sun power+accumulator.Accordingly, on cabinet, also be provided with bus interface, be used to receive the sensor interface and the RS485 interface of field apparatus.
Simultaneously, clock circuit, communication interface circuit, bus interface circuit and power control circuit are connected with triple channel strain acquirement device respectively.In order to ensure communication efficiency, this wireless transport module adopts the GPRS module, and this GPRS module is with after antennal interface on the cabinet is connected, and carries out the transmission of various data by GPRS network or cdma network and the control computer that is positioned at the different location.
It has broken through the GSM network owing to GPRS network can only provide Circuit-switched mindset, only by increasing the function corresponding entity and existing base station system being carried out the part transformation can realize packet switch, therefore the input of this transformation is also little comparatively speaking, but the user data rate that obtains is considerable.Simultaneously, because this GPRS network has the higher data handling capacity, therefore just can use handheld device and notebook computer to carry out video conference and the multimedia page and similarly application.As long as just can carry out exchanges data with each wireless transport module so can link the internet by the GPRS computing machine.
GPRS network also has following three big outstanding advantages: the first, have the high speed data transfer function, and 10 times of its speed can stably transmit jumbo high quality audio and video file to GSM; The second, have always online function, almost need not any time (promptly need not to set up calling into the visit of each data connects) owing to set up new connection, thereby can keep in touch with network at any time; The 3rd, only have the function of chargeing by data traffic, promptly charge, rather than charge by the surf time according to data quantity transmitted when download message (as: online).That is to say that only otherwise carry out data transmission, even " online " always also need not to pay, it has really embodied the principle that few usefulness is paid less.
Place in that the mobile network covers can utilize the GPRS mode that the data of automatic data acquisition system (ADAS) collection are carried out remote transmission, thereby realizes remote monitoring.Therefore in order to ensure effect, when adopting the GPRS network transmission, its best effort frequency range is 900MHz.Simultaneously, also can adopt cdma network to transmit, its best effort frequency range is 1.8GHz.
As shown in Figure 1, also be provided with 8 and above mainboard in the inside of each cabinet, its quantity can be chosen according to actual needs.Simultaneously, the quantity of set triple channel strain acquirement device is 8 on each mainboard, and on each triple channel strain acquirement device also the mode by insertable be provided with a triple channel strain acquirement card.
The output terminal of each triple channel strain acquirement device is all incorporated bus into and is connected with wireless transport module, and simultaneously, each mainboard all also is connected with built-in power in the cabinet.
The structure of triple channel strain acquirement device as shown in Figure 4, each triple channel strain acquirement device has included microprocessor (as single-chip microcomputer), zeroing circuit that is connected with mainboard and power circuit, the temperature sensor that is connected with microprocessor, data-carrier store, data communication interface circuit and three identical strain acquirement passages are formed.The electric bridge that described each strain acquirement passage is formed by foil gauge, compensating plate and resistance, the amplifier that is connected with this electric bridge, and the A/D converter that is connected with this amplifier composition, and this A/D converter also is connected with described microprocessor.
Described data communication interface circuit is connected with clock circuit, communication interface circuit, bus interface circuit and power control circuit in the control circuit respectively.Bus interface circuit and power control circuit then all are connected with bus interface on the cabinet.
In order to ensure effect, described amplifier employing enlargement factor is 100 times a high-accuracy instrument amplifier, and A/D converter adopts 16 bit strip I
2Little power consumption converter of C interface.
As mentioned above, just can well realize the utility model.
Claims (9)
1. stress straining remote monitor, mainly form by cabinet and the triple channel strain acquirement device that is arranged on cabinet inside, it is characterized in that: also be provided with the mainboard that is connected with triple channel strain acquirement device at cabinet inside, the built-in power that is connected with mainboard, be arranged on the triple channel strain acquirement card on the triple channel strain acquirement device, and the control circuit that is connected with triple channel strain acquirement device; The output terminal of each triple channel strain acquirement device is all incorporated bus into and is connected with wireless transport module, and this wireless transport module carries out the remote data transmission by wireless-transmission network and supervisory control comuter.
2. stress straining remote monitor according to claim 1, it is characterized in that: the quantity of described mainboard be 8 and more than, the quantity of set triple channel strain acquirement device is 8 on each mainboard, and the quantity of triple channel strain acquirement card is corresponding with the quantity of triple channel strain acquirement device.
3. stress straining remote monitor according to claim 2 is characterized in that: described triple channel strain acquirement cartoon is crossed the insertable mode and is connected with triple channel strain acquirement device.
4. stress straining remote monitor according to claim 1, it is characterized in that: described control circuit is become by communication interface circuit, bus interface circuit, power control circuit, power circuit and clock circuit bank, and communication interface circuit, bus interface circuit, power control circuit and clock circuit are connected with triple channel strain acquirement device respectively, power circuit then is connected with power interface on the cabinet with triple channel strain acquirement device, wireless transport module simultaneously, and this power interface is connected with external power supply.
5. according to each described stress straining remote monitor of claim 1～4, it is characterized in that: described triple channel strain acquirement device is by microprocessor, zeroing circuit that is connected with mainboard and power circuit, the temperature sensor that is connected with microprocessor, data-carrier store, data communication interface circuit and three identical strain acquirement passages are formed; The electric bridge that described each strain acquirement passage is formed by foil gauge, compensating plate and resistance, the amplifier that is connected with this electric bridge, and the A/D converter that is connected with this amplifier composition, and this A/D converter also is connected with described microprocessor.
6. stress straining remote monitor according to claim 5 is characterized in that: described amplifier employing enlargement factor is 100 times a high-accuracy instrument amplifier, and A/D converter adopts 16 bit strip I
2Little power consumption converter of C interface, and the benchmark of this A/D converter is selected the outside reference voltage source of electric bridge for use.
7. stress straining remote monitor according to claim 5 is characterized in that: described wireless transport module is the GPRS module.
8. stress straining remote monitor according to claim 7 is characterized in that: it is the GPRS transmission network of 900MHz or the CDMA transmission network that frequency range is 1.8GHz that described wireless-transmission network adopts frequency range.
9. stress straining remote monitor according to claim 8 is characterized in that: the power supply mode of described external power supply is battery-powered, sun power+storage battery power supply, industry or folk power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202724360U CN201600208U (en) | 2009-11-16 | 2009-11-16 | Stress strain remote monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202724360U CN201600208U (en) | 2009-11-16 | 2009-11-16 | Stress strain remote monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201600208U true CN201600208U (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202724360U Expired - Lifetime CN201600208U (en) | 2009-11-16 | 2009-11-16 | Stress strain remote monitoring instrument |
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| CN (1) | CN201600208U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063733A (en) * | 2011-10-20 | 2013-04-24 | 无锡强力环保科技有限公司 | Wireless network based magnetic stress nondestructive detection system |
| CN103528493A (en) * | 2013-10-15 | 2014-01-22 | 顾捷 | Stress-strain test system for printed circuit board |
| CN103528488A (en) * | 2013-09-29 | 2014-01-22 | 招商局重庆交通科研设计院有限公司 | Monitoring system used for monitoring collapse body state in real time |
| CN105241370A (en) * | 2015-10-19 | 2016-01-13 | 桂林电子科技大学 | Cubic press health monitoring method and system |
| CN105277111A (en) * | 2014-07-04 | 2016-01-27 | 北京强度环境研究所 | Star arrow locking device strain monitoring system |
| CN108444376A (en) * | 2018-02-10 | 2018-08-24 | 西安前观测控技术有限公司 | Ultra-large real-time distributed strain measurement system |
-
2009
- 2009-11-16 CN CN2009202724360U patent/CN201600208U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063733A (en) * | 2011-10-20 | 2013-04-24 | 无锡强力环保科技有限公司 | Wireless network based magnetic stress nondestructive detection system |
| CN103528488A (en) * | 2013-09-29 | 2014-01-22 | 招商局重庆交通科研设计院有限公司 | Monitoring system used for monitoring collapse body state in real time |
| CN103528488B (en) * | 2013-09-29 | 2016-08-31 | 招商局重庆交通科研设计院有限公司 | Monitoring system for monitoring collapse body state in real time |
| CN103528493A (en) * | 2013-10-15 | 2014-01-22 | 顾捷 | Stress-strain test system for printed circuit board |
| CN103528493B (en) * | 2013-10-15 | 2016-04-13 | 顾捷 | A kind of printed circuit board stress-strain test system |
| CN105277111A (en) * | 2014-07-04 | 2016-01-27 | 北京强度环境研究所 | Star arrow locking device strain monitoring system |
| CN105277111B (en) * | 2014-07-04 | 2018-03-16 | 北京强度环境研究所 | Satellite and the rocket locking device strain monitoring system |
| CN105241370A (en) * | 2015-10-19 | 2016-01-13 | 桂林电子科技大学 | Cubic press health monitoring method and system |
| CN108444376A (en) * | 2018-02-10 | 2018-08-24 | 西安前观测控技术有限公司 | Ultra-large real-time distributed strain measurement system |
| CN108444376B (en) * | 2018-02-10 | 2021-01-08 | 西安前观测控技术有限公司 | Super-large scale real-time distributed strain measurement system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101006 Effective date of abandoning: 20091116 |