CN203535236U - A roof rain leakage detector based on a FPGA - Google Patents
A roof rain leakage detector based on a FPGA Download PDFInfo
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- CN203535236U CN203535236U CN201320684694.6U CN201320684694U CN203535236U CN 203535236 U CN203535236 U CN 203535236U CN 201320684694 U CN201320684694 U CN 201320684694U CN 203535236 U CN203535236 U CN 203535236U
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Abstract
The utility model relates to a roof rain leakage detector based on a FPGA. The roof rain leakage detector is composed of a transmitting portion and a receiving portion. A transmitter is connected with two transmitting electrodes. The receiving portion is formed by connecting a host computer with a reference electrode and multiple receiving electrodes via a receiver. The roof rain leakage detector resolves a problem that people desire to resolve a puzzle that leak sources are not known when a roof leaks rain, and is capable of accurately measuring the positions of rain leaking sources. The host computer directly displays the positions of the rain leaking sources. Thus, it is not planless to maintain the roof rain leaking sources. Therefore, maintenance can be performed in a targeted manner. Times of removing a waterproof layer of an entire building to perform waterproof maintenance can be decreased in order to reduce work amount and save manpower and financial resources. The roof rain leakage detector based on a FPGA has high precision, easy manipulation, low cost, and easy use.
Description
Technical field
The utility model relates to a kind of roof roof leaking location detecting apparatus based on FPGA, is specifically related to a kind of roof roof leaking positional detecting device based on flow field fitting process.
Background technology
The flat-roofed house of non-backing, especially flat-roofed house building, because the shortcoming of done waterproof often leaks, or because water-repellent substance aging cracks, crack, or because the reason water-repellent substance of frost heave cracks, crack, the reason producing is a lot, no matter be all can leak in the crack which kind of reason produces.In the north because thicker insulating layer will be laid in roof, on insulating layer, be only water barrier, the not necessarily position in roof crack is put in indoor roof leaking, even at roof, can not find crack, can not find leak source after roof leaking, perplexing for many years people always, to reparation, bring great difficulty, have no alternative, people have to every 3-4 years, whole roof waterproof be taken off, again do waterproof, repair comprehensively.A large amount of financial resources and manpower have been wasted.Otherwise the resident who stays in top layer is just rained heavily enjoyment outside, the treatment of spotting in room, is vexedly vexed, without language table.
Summary of the invention
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, and a kind of roof roof leaking detection instrument based on FPGA is provided.
The purpose of this utility model is achieved through the following technical solutions:
Roof roof leaking detection instrument based on FPGA, is comprised of emission coefficient and receiving system two parts:
Described emission coefficient is to connect respectively FPGA2 and transmitting bridge road 6 by system power supply 1, and FPGA2 is connected respectively emitting electrode 7a through control signal 3, photoelectricity isolation 4, driving circuit 5 and transmitting bridge road 6 and emitting electrode 7b forms;
Described receiving system be by host computer 8 through receiver 14 connect respectively reference electrode 11 and more than one so n receiving electrode 12 form.
Beneficial effect: the utility model provides surveying instrument that can Measurement accuracy roof leaked raindrop, solved the roof roof leaking that people thirst for solving for a long time and do not known that leak source is in which problem, directly show leak source position, making roof roof leaking maintenance is no longer blindly, maintenance can be carried out targetedly, can not reduce because knowing that roof leaking is put, at which, whole roof waterproof be taken off to the number of times that carries out waterproof repairment, reduced quantities, saved manpower and financial resources, detection instrument precision is high, simple to operate, with low cost, easy to use.
Accompanying drawing explanation
Fig. 1 is the roof roof leaking detection instrument receiving system structured flowchart based on FPGA.
Fig. 2 is the roof roof leaking detection instrument emission coefficient structured flowchart based on FPGA.
Fig. 3 is the structured flowchart of receiver 14 in Fig. 1.
1 system power supply, 2FPGA, 3 control signals, 4 photoelectricity isolation, 5 driving circuits, 6 transmitting bridge roads, 7a emitting electrode, 7b emitting electrode, 8 host computers, 9 multichannel collecting cards, 10 impedance matching circuits, 11 reference electrodes, 12a, 12b, 12c ... 12n receiving electrode, 13 transmitters, 14 receivers.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Roof roof leaking detection instrument based on FPGA, is comprised of emission coefficient and receiving system:
Described emission coefficient is to connect respectively FPGA2 and transmitting bridge road 6 by system power supply 1, and FPGA2 is connected respectively emitting electrode 7a through control signal 3, photoelectricity isolation 4, driving circuit 5 and transmitting bridge road 6 and emitting electrode 7b forms; Described emitting electrode 7a and emitting electrode 7b are non-polarizing electrode.
Described receiving system be by host computer 8 through receiver 14 connect respectively reference electrode 11 and more than one so n receiving electrode 12 form.
As shown in Figure 1, the utility model is mainly comprised of two parts: transmitter 13 and receiver 14.What adopt is transmitting-receiving mask work pattern.By host computer 8, send control word, FPGA2 is controlled, control signal 3 is isolated 4 by photoelectricity and is carried out after photoelectricity isolation, transmitting bridge road 6 being controlled, at emitting electrode 7, obtain pseudo random signal, receiving electrode 12 and reference electrode 11 receive signal and by multichannel collecting card 9, are gathered after impedance matching circuit 10, and data upload is to the laggard row data processing of host computer 8 and show and draw in real time the Potential distribution equipotentiality line chart in survey district.In the course of work, control signal 3 output two-way unipolarity square waves are controlled transmitting bridge road 6 after overdrive circuit 5, by emitting electrode 7a and 7b, launch.Host computer 8 is controlled sample frequency and the sampling number of multichannel collecting card 9.
The control core of transmitter 13 is FPGA2, control signal 3 is to be produced by FPGA2, after processing through photoelectricity isolation 4, through driving circuit 5 drive amplifications, the signal after drive amplification, as the control signal on transmitting bridge road 6, is launched by emitting electrode 7a and emitting electrode 7b.The core of receiver 14 is multichannel collecting cards 9, receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and even receiving electrode 12n and reference electrode 11 carry out processing in early stage through impedance matching circuit 10 after receiving signal, and the signal after processing is received by host computer 8.
Roof roof leaking detection instrument based on FPGA is when carrying out roof measurement, transmitter 13 and receiver 14 are placed on roof, transmitter 13 connects emitting electrode 7a and emitting electrode 7b, emitting electrode 7a sticks on roof any place, emitting electrode 7b sticks on the ceiling in roof leaking room, and transmitter 13 transmitting pseudo random signals produce and excite electric field.Reference electrode 11 sticks on roof any place, the number of receiving electrode 12 and array mode are determined according to the detected size in roof, area I is to adopt single receiving electrode to measure, area can adopt greatly two above receiving electrodes to gather simultaneously, can also adopt 16 receiving electrodes to gather simultaneously.Receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and even receiving electrode 12n are according to equidistant laying, and between receiving electrode, distance is less, and measuring accuracy is higher.Receiver 14 gathers the current potential of diverse location receiving electrode, and electrical method process software and the mapping software of passing threshold in machine, draws out equipotentiality line chart by the current potential recording, and in current potential isogram, abnormal intensive part is exactly the position of roof roof leaking.
Embodiment 1
Roof roof leaking detection instrument based on FPGA, is comprised of emission coefficient and receiving system two parts:
Emission coefficient is to connect respectively FPGA2 and transmitting bridge road 6 by system power supply 1, and FPGA2 is connected respectively emitting electrode 7a through control signal 3, photoelectricity isolation 4, driving circuit 5 and transmitting bridge road 6 and emitting electrode 7b forms; Emitting electrode 7a and emitting electrode 7b are non-polarizing electrode.
Receiving system is through receiver 14, to connect respectively reference electrode 11 and multichannel collecting card 9 by host computer 8, and multichannel collecting card 9 connects respectively reference electrode 11 and receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and even receiving electrode 12n formation through impedance matching circuit 10.
At an area 10m
2roof, indoor have a leak source, roof does not have obvious breakage and crack, needs repairing, and does not know leak source is at which.
Transmitter 13 and receiver 14 are placed in to roof, and transmitter 13 connects emitting electrode 7a and emitting electrode 7b, and emitting electrode 7a sticks on roof any place, and emitting electrode 7b sticks on the ceiling in roof leaking room; Because area is little, adopt four electrode translocations, interval of survey line 1m, the spacing of receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and receiving electrode 12d is made as 40cm, along Hydrographic General Line, by large line, be connected with receiver 14, reference electrode 11 sticks on roof any place, and is connected with receiver 14.Transmitter 13 transmitting pseudo random signals produce and excite electric field.Receiver 14 gathers the current potential of receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and receiving electrode 12d, along side line, move afterwards, receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and receiving electrode 12d gather the current potential of lower four points, until surveyed 10m
2roof, electrical method process software and the mapping software of receiver 14 passing thresholds in machine, draws out equipotentiality line chart by the current potential recording, the intensive place of equipotential line is judged as the position of roof roof leaking.Open this place's roof flashing layer, exposed three little cracks.
Roof roof leaking detection instrument based on FPGA, is comprised of emission coefficient and receiving system two parts:
Emission coefficient is to connect respectively FPGA2 and transmitting bridge road 6 by system power supply 1, and FPGA2 is connected respectively emitting electrode 7a through control signal 3, photoelectricity isolation 4, driving circuit 5 and transmitting bridge road 6 and emitting electrode 7b forms; Emitting electrode 7a and emitting electrode 7b are non-polarizing electrode.
Receiving system is through receiver 14, to connect respectively reference electrode 11 and multichannel collecting card 9 by host computer 8, and multichannel collecting card 9 connects respectively reference electrode 11 and receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and even receiving electrode 12n formation through impedance matching circuit 10.
At an area 50m
2roof, indoor have a many places leak source, obvious breakage and crack be can't see in roof, need repairing, and do not know leak source is at which.
Transmitter 13 and receiver 14 are placed in to roof, and transmitter 13 connects emitting electrode 7a and emitting electrode 7b, and emitting electrode 7a sticks on roof any place, and emitting electrode 7b sticks on the ceiling in roof leaking room; Because area is little, adopt 16 electrode translocations, interval of survey line 1m, the spacing of receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and receiving electrode 12d is made as 50cm, along Hydrographic General Line, by large line, be connected with receiver 14, reference electrode 11 sticks on roof any place, and is connected with receiver 14.Transmitter 13 transmitting pseudo random signals produce and excite electric field.Receiver 14 gathers the current potential of receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and receiving electrode 12d, along side line, move afterwards, receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and receiving electrode 12d gather the current potential of lower four points, until surveyed 50m
2roof, electrical method process software and the mapping software of receiver 14 passing thresholds in machine, draws out equipotentiality line chart by the current potential recording, and has the 5 intensive equipotential lines in place in current potential equipotentiality line chart, locates to judge that this 5 place is roof leaking position, roof.Open this place's roof flashing layer, exposed a plurality of intensive tiny cracks.
Embodiment 3
Roof roof leaking detection instrument based on FPGA, is comprised of emission coefficient and receiving system two parts:
Emission coefficient is to connect respectively FPGA2 and transmitting bridge road 6 by system power supply 1, and FPGA2 is connected respectively emitting electrode 7a through control signal 3, photoelectricity isolation 4, driving circuit 5 and transmitting bridge road 6 and emitting electrode 7b forms; Emitting electrode 7a and emitting electrode 7b are non-polarizing electrode.
Receiving system is through receiver 14, to connect respectively reference electrode 11 and multichannel collecting card 9 by host computer 8, and multichannel collecting card 9 connects respectively reference electrode 11 and receiving electrode 12a, receiving electrode 12b, receiving electrode 12c and even receiving electrode 12n formation through impedance matching circuit 10.
At an area 5m
2roof, indoor have a leak source, roof does not have obvious breakage and crack, needs repairing, and does not know leak source is at which.
Transmitter 13 and receiver 14 are placed in to roof, and transmitter 13 connects emitting electrode 7a and emitting electrode 7b, and emitting electrode 7a sticks on roof any place, and emitting electrode 7b sticks on the ceiling in roof leaking room; Because area is little, adopt single electrode to move detection, interval of survey line 1m, establishes a measuring point along the every 30cm of survey line, and receiving electrode is connected with receiver 14 by large line, and reference electrode 11 sticks on roof any place, and is connected with receiver 14.Transmitter 13 transmitting pseudo random signals produce and excite electric field.Receiver 14 gathers the current potential of receiving electrode, and receiving electrode is along mobile 30cm of point of the every survey of side line, and the current potential of the next point of receiving electrode, until surveyed 5m
2roof, electrical method process software and the mapping software of receiver 14 passing thresholds in machine, draws out equipotentiality line chart by the current potential recording, the intensive place of equipotential line is judged as the position of roof roof leaking.Open this place's roof flashing layer, exposed a tiny crack.
Claims (2)
1. the roof leaking of the roof based on a FPGA detection instrument, is comprised of emission coefficient and receiving system, it is characterized in that:
Emission coefficient is to connect respectively FPGA (2) and transmitting bridge road (6) by system power supply (1), and FPGA (2) is connected respectively emitting electrode (7a) through control signal (3), photoelectricity isolation (4), driving circuit (5) and transmitting bridge road (6) and emitting electrode (7b) forms;
Receiving system be by host computer (8) through receiver (14) connect respectively reference electrode (11) and more than one so n receiving electrode (12) form.
2. according to the roof roof leaking detection instrument based on FPGA claimed in claim 1, it is characterized in that, receiver (14) is through impedance matching circuit (10), to connect respectively reference electrode (11) and receiving electrode (12a), receiving electrode (12b), receiving electrode (12c) and even receiving electrode (12n) formation by multichannel collecting card (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320684694.6U CN203535236U (en) | 2013-11-02 | 2013-11-02 | A roof rain leakage detector based on a FPGA |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320684694.6U CN203535236U (en) | 2013-11-02 | 2013-11-02 | A roof rain leakage detector based on a FPGA |
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| CN203535236U true CN203535236U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320684694.6U Expired - Fee Related CN203535236U (en) | 2013-11-02 | 2013-11-02 | A roof rain leakage detector based on a FPGA |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816639A (en) * | 2017-11-17 | 2018-03-20 | 段清明 | Underground water seepage detection system and detection method based on electrochemistry |
-
2013
- 2013-11-02 CN CN201320684694.6U patent/CN203535236U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816639A (en) * | 2017-11-17 | 2018-03-20 | 段清明 | Underground water seepage detection system and detection method based on electrochemistry |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20141102 |
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| EXPY | Termination of patent right or utility model |