CN203606502U - Multifunctional land-based piezoelectric detector - Google Patents
Multifunctional land-based piezoelectric detector Download PDFInfo
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- CN203606502U CN203606502U CN201320713509.1U CN201320713509U CN203606502U CN 203606502 U CN203606502 U CN 203606502U CN 201320713509 U CN201320713509 U CN 201320713509U CN 203606502 U CN203606502 U CN 203606502U
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- circuit board
- detector
- piezoelectric seismometer
- movement
- lower house
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Abstract
The utility model discloses a multifunctional land-based piezoelectric detector comprising waterproof upper and lower housings; the upper housing is fixed on the lower housing; the bottom of the lower housing is provided with a tail cone; two independent machine cores are arranged on a pedestal of the bottom of a cavity of the lower housing; the two machine cores are provided with an anti-thunder circuit board used for detecting whether self-power is normal or not; the circuit board is connected with an induction type power switch through a cell box arranged outside the lower housing. Two machine cores with very close parameters are arranged on the pedestal, when common mode interferences happen, the common mode interferences can be limited through the difference of the circuit of the machine cores, so the detector can have a higher common mode rejection ratio; the circuit board is provided with better lightning protection circuit, so the detector can realize lightning protection, simultaneously the machine cores and the circuit board are fully sealed by metal, so the detector can have strong anti-interference capability; the lightning protection and waterproof sealing are realized, so the performance of the detector for suiting external environment transformation can be greatly improved.
Description
Technical field
The utility model belongs to detecting instrument technical field, relates to a kind of earthquake physical prospecting wave detector, relates in particular to a kind of multi-functional land piezoelectric seismometer.
Background technology
At present domestic and international released land is limited by the function of piezoelectric seismometer, Chinese patent: 200420042025.X, the disclosed land of Chinese patent: ZL201120534441.1 piezoelectric seismometer, do not have: anti-lightning strike function, whether normally detect self power supply, stronger noise suppression performance, with the earth good coupling tail cone, Non-contact electric power switch, the functions such as ultralow system power dissipation, this just causes wave detector self to exist afunction, thereby makes wave detector be difficult to adapt to the job requirement under various environment.
Utility model content
The utility model, in order to solve the problems of the technologies described above, provides a kind of higher common-mode rejection ratio that has, higher signal to noise ratio (S/N ratio), large dynamic range, high sensitivity, wider working band, higher system stability, the multi-functional land piezoelectric seismometer of very low system power dissipation.
The utility model is to be achieved through the following technical solutions:
A kind of multi-functional land piezoelectric seismometer, comprise the upper-lower casing of a set of waterproof, described upper shell is fixed on lower house, described lower house bottom with the tail cone of the earth good coupling, on the base of described lower housing cavity bottom, two independently movements are installed, two are independently provided with above movement and have thunder-lightning and detect the whether normal circuit board of self power supply, and circuit board is connected with induction power switch by the battery case that is arranged on lower house outside.
Between described upper shell and lower house, be provided with " O " O-ring seal.
On described battery case, be connected with the joint being connected with the joint on acquisition station, induction power switch is arranged on the joint connecting on battery case.
Described tail cone be shaped as prismatic tail cone.
Described upper-lower casing adopts nonmetallic materials to make.
On described circuit board, be provided with testing circuit and lightning protection circuit.
On described induction power switch, be provided with water barrier.
Described after two independently the positive pole of a movement in movement and the negative pole of another movement are connected, directly and circuit board altogether.
Compared with prior art, the utlity model has following useful technique effect:
The movement that the utility model approaches by two parameters are installed on base very much, in the time having common mode interference, two movements after the difference of oversampling circuit, common mode interference suppressed fall, make wave detector have higher common-mode rejection ratio.On circuit board, adopted good lightning protection circuit, made wave detector reach lightening protection, while movement and circuit board have carried out totally-enclosed with metal, and electromagnetic interference (EMI) has obtained very large inhibition, makes wave detector have good antijamming capability; Owing to having adopted lightning protection, waterproof sealing etc., the ability that makes wave detector adapt to external environment condition conversion strengthens greatly.
Further, between the upper and lower protective case body of wave detector, adopt " O " O-ring seal, make wave detector have good water resistance.
Wave detector and ground-coupled quality are key links that determines wave detector machine-electric conversion effect, owing to having adopted prismatic tail cone, the degree of coupling of wave detector and the earth is improved greatly, and tail cone and the earth are difficult for rotating, thereby guaranteed that wave detector and the earth have had the good degree of coupling, machine-electric conversion effect is better.
Take contactless induction power switch, make wave detector Power supply in the time of access seismic detector system, power-off after disengagement seismic detector system, make wave detector power consumption less, all-sealed Non-contact electric power switch, has water resistance well, the circuit design of super low-power consumption, make wave detector use the battery of smaller size smaller, just can obtain the longer working time.
After a positive pole in these two independent movements is connected with the negative pole of another movement, directly and circuit board altogether.So just eliminate the labile factor that independent movement and circuit board do not cause altogether.
Accompanying drawing explanation
Fig. 1 is multi-functional land of the present utility model piezoelectric seismometer structural representation.
Wherein: 1 is movement; 2 is tail cone; 3 is lower house; 4 is upper shell; 5 is circuit board; 6 is battery case; 7 is induction power switch; 8 is acquisition station; 9 is seismograph; 10 is O-ring seal.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1, a kind of multi-functional land piezoelectric seismometer, comprise the upper-lower casing 3 that the employing nonmetallic materials of a set of waterproof are made, 4, described upper shell 3 is connected by screw with lower house 4, and between upper shell 3 and lower house 4, adopt " O " O-ring seal 10 to seal, described lower house 4 bottoms with the prismatic tail cone 2 of the earth good coupling, two independently movements 1 are installed on the base of described lower house 4 intracavity bottoms, two independently movement 1 be provided with above and there is thunder-lightning and detect the whether normal circuit board 5 of self power supply, on described circuit board 5, be provided with testing circuit and lightning protection circuit, circuit board 5 is connected with induction power switch 7 by the battery case 6 that is arranged on lower house 4 outsides, wherein, on described battery case 6, be connected with by wire the joint being connected with the joint on acquisition station 8, induction power switch 7 use waterproof elastic gum sealings, are arranged on the joint connecting on battery case 6.When use, be connected with the joint on the acquisition station 8 connected with seismograph 9 joint of induction power switch 7 is installed, in the time that wave detector and acquisition station are connected, induction power switch 7 is to circuit board 5 power sources power supplies, when wave detector and acquisition station disconnect, induction power switch 7 cuts off power supply.Wherein, described after two independently the positive pole of a movement in movement 1 and the negative pole of another movement are connected, directly and circuit board 5 altogether.
It should be noted that, the base of described lower house 4 intracavity bottoms is a rectangular beam pier, and the base of this girder construction is provided with two movement mounting holes.
The wave detector that the utility model provides, the independent movement that has two parameters to approach very much, and after the positive pole of a movement in these two independent movements and the negative pole of another movement are connected, direct and circuit board is altogether.So just eliminate the labile factor that independent movement and circuit board do not cause altogether.Meanwhile, in the time having common mode interference, two movements 1 after the difference of oversampling circuit, common mode interference suppressed fall, make wave detector have higher common-mode rejection ratio.Between wave detector upper-lower casing, adopt " O " O-ring seal, make wave detector have good water resistance.
On circuit board, adopt good lightning protection circuit, made thunder and lightning pass to the earth by the tail cone of wave detector, thereby make wave detector reach lightening protection, when after the acquisition station in wave detector access seismic detector system, seismograph is during to a current signal of wave detector output terminal, by the resistance value obtaining, just can know that whether wave detector power supply is normal, movement and wiring board all use betal can totally-enclosed, power supply is disturbed and played shielding action, use prismatic tail cone and ground-coupled, wave detector machine-electric conversion effect is guaranteed, take Non-contact electric power switch, make wave detector Power supply in the time of access seismic detector system, power-off after disengagement seismic detector system, make wave detector power consumption less, all-sealed Non-contact electric power switch, there is water resistance well, the circuit design of super low-power consumption, make wave detector use the battery of smaller size smaller, just can obtain the longer working time.
The utility model has the following advantages simultaneously:
1, have good antijamming capability: movement and wiring board metal has carried out totally-enclosed, electromagnetic interference (EMI) has obtained very large inhibition, makes wave detector have good antijamming capability.
2, wave detector is adaptable: owing to having adopted lightning protection, waterproof sealing, the ability that makes wave detector adapt to external environment condition conversion strengthens greatly.
3, machine-electric conversion effect is good: wave detector and ground-coupled quality are key links that determines wave detector machine-electric conversion effect, owing to having adopted prismatic tail cone, the degree of coupling of wave detector and the earth is improved greatly, and tail cone and the earth are difficult for rotating, thereby guaranteed that wave detector and the earth have had the good degree of coupling, machine-electric conversion effect is better.
4, longevity of service, the working time of active wave detector is depended on the function of Circuits System.Owing to taking super low-power consumption design of circuit system, make wave detector power consumption very little, the working time is elongated.
5, the multi-functional land of the utility model piezoelectric seismometer, this wave detector has higher common-mode rejection ratio, water proofing property preferably, stronger anti-lightning strike function, whether normally detect self power supply, stronger noise suppression performance, with the tail cone of the earth good coupling, induction power switch, ultralow system power dissipation, wave detector can make this wave detector reach a higher signal to noise ratio (S/N ratio), large dynamic range after combining by these advantages, high sensitivity, wider working band, higher system stability, very low system power dissipation etc.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a multi-functional land piezoelectric seismometer, it is characterized in that, comprise the upper-lower casing (3 of a set of waterproof, 4), described upper shell (3) is fixed on lower house (4), described lower house (4) bottom with the tail cone (2) of the earth good coupling, two independently movements (1) are installed on the base of described lower house (4) intracavity bottom, two independently movement (1) be provided with above and there is thunder-lightning and detect the whether normal circuit board (5) of self power supply, circuit board (5) is connected with induction power switch (7) by being arranged on the outside battery case (6) of lower house (4).
2. multi-functional land according to claim 1 piezoelectric seismometer, is characterized in that, between described upper shell (3) and lower house (4), is provided with " O " O-ring seal (10).
3. multi-functional land according to claim 1 piezoelectric seismometer, it is characterized in that, on described battery case (6), be connected with the joint being connected with the joint on acquisition station (8), induction power switch (7) is arranged on the upper joint connecting of battery case (6).
4. multi-functional land according to claim 1 piezoelectric seismometer, is characterized in that, described tail cone (2) be shaped as prismatic tail cone.
5. multi-functional land according to claim 1 piezoelectric seismometer, is characterized in that, described upper-lower casing (3,4) adopts nonmetallic materials to make.
6. multi-functional land according to claim 1 piezoelectric seismometer, is characterized in that, on described circuit board (5), is provided with testing circuit and lightning protection circuit.
7. multi-functional land according to claim 1 piezoelectric seismometer, is characterized in that, on described induction power switch (7), is provided with water barrier.
8. multi-functional land according to claim 1 piezoelectric seismometer, is characterized in that, described after two independently the positive pole of a movement in movement (1) and the negative pole of another movement are connected, directly and circuit board (5) altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320713509.1U CN203606502U (en) | 2013-11-11 | 2013-11-11 | Multifunctional land-based piezoelectric detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320713509.1U CN203606502U (en) | 2013-11-11 | 2013-11-11 | Multifunctional land-based piezoelectric detector |
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| Publication Number | Publication Date |
|---|---|
| CN203606502U true CN203606502U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320713509.1U Expired - Fee Related CN203606502U (en) | 2013-11-11 | 2013-11-11 | Multifunctional land-based piezoelectric detector |
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| Country | Link |
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| CN (1) | CN203606502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749615A (en) * | 2015-03-18 | 2015-07-01 | 中南大学 | Radio detector for seismic exploration or vibration test |
-
2013
- 2013-11-11 CN CN201320713509.1U patent/CN203606502U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749615A (en) * | 2015-03-18 | 2015-07-01 | 中南大学 | Radio detector for seismic exploration or vibration test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140521 Termination date: 20201111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |