CN201000471Y - Electrostatic detecting instrument for hand-hold hyperbaric oxygen chamber - Google Patents
Electrostatic detecting instrument for hand-hold hyperbaric oxygen chamber Download PDFInfo
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- CN201000471Y CN201000471Y CNU2007200670297U CN200720067029U CN201000471Y CN 201000471 Y CN201000471 Y CN 201000471Y CN U2007200670297 U CNU2007200670297 U CN U2007200670297U CN 200720067029 U CN200720067029 U CN 200720067029U CN 201000471 Y CN201000471 Y CN 201000471Y
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Abstract
The utility model relates to a hand-holding type hyperbaric oxygen chamber static electricity detecting instrument. The utility model is characterized in that a control unit is arranged in the casing body, the input end of the control unit is connected with a static electricity detecting electrode, the output end of the control unit is connected with an alarm unit, the control unit also comprises a charge amplifying unit connected with the static electricity detecting electrode and a trigger unit connected with the charge amplifying unit, wherein the trigger unit is connected with a single-chip microcomputer, and the output end of the single-chip microcomputer is connected with the alarm unit. When being used, the instrument is held by hand to approach or stay on the measured object or slides slowly on the measured object, and the static electricity condition can be detected. The static electricity detecting instrument used for the hand-holding type hyperbaric oxygen chamber of the utility model is different from the electrorange and the electrometer for teaching and learning and is also different from the static electricity detecting instrument used on the other occasions. The low power consumption microelement is adopted, to make the instrument miniaturized, and the hand-holding type static electricity detecting instrument is more flexible and convenient for operating. The utility model adopts the single-chip microcomputer to control, thus making the instrument intellectualized.
Description
Technical field:
The utility model relates to a kind of electrostatic test instrument, especially a kind of hand-held hyperbaric oxygen chamber electrostatic detector.
Background technology:
Hyperbaric oxygen chamber is that hospital is used for one of common tool for the treatment of disease, and doctors utilize the high-concentration oxygen in the cabin to treat some disease.And this cabin body is a kind of special closed environment, close hatch door during treatment and do not communicate with the external world, so the cabin contains a large amount of oxygen, and oxygen is a kind of inflammable (combustion-supporting) gas, even faint spark also can cause fire.In case breaking out of fire, when gases are heated, they expand can't open hatch door, and personnel just do not have the possibility of escape in the cabin.Generally speaking, below deck equipment all meets requirement of explosion proof, advances the cabin personnel and does not allow to bring the article that can produce Mars into, so the reason of unique fire hazard is exactly the human body static electrification, produces spark by the static friction.Because a large amount of uses of chemical ﹠ blended fabric, wool fabric, human body is static electrification very easily, thereby produces spark, the existing a lot of reports of this respect.Therefore the electrostatic detection of advancing the cabin personnel is very important.In middle school teaching in the past, often use electroscope and electrometer, this all is the experimental apparatus of research electrostatic field characteristic.Electroscope mainly is the metal bar that a upper end has Metal Ball, hanging two metal formings in the lower end of rod, metal bar passes insulator such as rubber stopper, be vertically fixed in the transparent insulating vessel as vial, when Metal Ball contact electrification body, metal forming just obtains like charges, opens because of same sex electric charge repels each other.Electrometer then is to adorn a metallic cylinder as shell on an insulator foot, and has transparent window, and the Metallic rod that the top is had Metal Ball is inserted in the cylinder, and makes it to insulate with cylinder.It is rotatable that metal finger is housed on the lower end transverse axis of Metallic rod.The electrometer that constitutes by metal shell, Metallic rod, metal finger like this, when the Metal Ball on electrified body contact lever top, on the pointer with electric charge, with the opposite polarity of responding on the betal can, under the effect that the charges of different polarity are inhaled mutually, make pointer produce subtended angle, its subtended angle size is determined by the electric potential difference between Metallic rod and metal shell.Also have some to be used for the electrostatic test system of product safety, these all are not suitable for the electrostatic detection of hyperbaric oxygen chamber.
Summary of the invention:
The purpose of this utility model be to provide a kind of volume little, use and to be used for hand-held hyperbaric oxygen chamber electrostatic detector flexibly.
To achieve these goals, the technical solution of the utility model is as follows: a kind of hand-held hyperbaric oxygen chamber electrostatic detector, comprise housing, housing is provided with power supply, power switch, it is characterized in that housing is provided with the electrostatic detection electrode, be provided with control module in the housing, the input end of control module is connected with the electrostatic detection electrode, the output terminal of control module is connected with alarm unit, this control module comprises the electric charge amplifying unit that is connected with the electrostatic detection electrode, with the trigger element that the electric charge amplifying unit is connected, trigger element is connected with single-chip microcomputer, and the output terminal of single-chip microcomputer is connected with alarm unit.According to an embodiment of the present utility model, alarm unit is hummer and/or pilot lamp.Power supply is the battery that is positioned at the battery flat of housing.Control module comprises the electric charge amplifying unit that is connected with the electrostatic detection electrode, the electric charge amplifying unit is connected with the secondary amplifying unit, the secondary amplifying unit is connected with filter unit, filter unit is connected with the intensity recognition unit, the intensity recognition unit is connected with trigger element, trigger element all is connected with the input end of single-chip microcomputer with the intensity recognition unit, the output terminal of single-chip microcomputer is connected with the pilot lamp driver element with the hummer driver element respectively, the hummer driver element is connected with hummer, and the pilot lamp driver element is connected with pilot lamp.
For fear of the static that is not enough to cause spark, also the phenomenon that can report to the police had designed the electric stress recognition unit before trigger element, and the static that only reaches certain intensity just can be reported to the police.Single-chip microcomputer also is connected with the low-voltage detecting unit, has influence on when detecting operate as normal when the cell voltage deficiency, will in time change battery by alarm.
Hand-held hyperbaric oxygen chamber electrostatic detector of the present utility model is different from electroscope and electrometer in the teaching, also is different from the electrostatic detector that other occasions are used, and it adopts the microdevice of low-power consumption, makes instrument miniaturization, and hand-held is more flexible easy to use.The utility model makes instrument have intellectuality owing to adopt Single-chip Controlling.
Description of drawings:
Fig. 1 is a hand-held hyperbaric oxygen chamber of the present utility model electrostatic detector Facad structure synoptic diagram.
Fig. 2 is a hand-held hyperbaric oxygen chamber of the present utility model electrostatic detector reverse side structural representation.
Fig. 3 is the theory diagram of hand-held hyperbaric oxygen chamber of the present utility model with the electrostatic detector control module.
Embodiment:
Below in conjunction with drawings and Examples the utility model is elaborated.
As shown in the figure, wherein: 1-housing, 2-pilot lamp, 3-hummer vocal hole, 4-power switch, 5-electrode, the 6-battery flat, the 7-electric charge amplifies, and the 8-secondary amplifies, 9-filtering, the identification of 10-intensity, the 11-trigger element, the 12-single-chip microcomputer, the 13-low-voltage detects, and the 14-hummer drives, and the 15-pilot lamp drives.
Hand-held hyperbaric oxygen chamber electrostatic detector shown in the figure, comprise one the one little housing that can hand 1 of the big end of end, in the big end of housing 1 control module is housed, one side of housing 1 is equipped with the electrostatic detection electrode, opposite side is provided with pilot lamp 2, hummer vocal hole 3, power switch 4, battery 5 is housed in the small end, and control module is by detection system monolithic processor controlled, that have recognition function.As shown in Figure 1, be the front of the utility model hand-held hyperbaric oxygen chamber with electrostatic detector, comprise housing 1, pilot lamp 2, hummer vocal hole 3, power switch 4.Up big and down small housing 1 shape is for hand-held convenient, can rest on during use on the measured body, also can slowly slide.Pilot lamp 2 has two kinds of effects: the one, as indication working properly; The 2nd, the flash of light indication of reporting to the police.Hummer vocal hole 3 is in order not keep off sound when the hummer sounding.
Hand-held hyperbaric oxygen chamber electrostatic detector as shown in Figure 2 is the reverse side of this instrument, comprises housing 1, electrode 5, battery flat 6.Electrode 5 is used for induced charge, during when electrode 5 contacts or near measured body, will sense on the electrode 5 if measured body has electric charge, thereby be detected by instrument.Battery flat 6 is used for depositing battery, to supply with instrument power source.Certainly also power interface, external power supply can be set on housing.
As shown in Figure 3, it is control module of the present utility model, this control module comprises the electric charge amplifying unit 7 that is connected with electrostatic detection electrode 5, single 11 yuan of the triggering that is connected with electric charge amplifying unit 7, trigger element 11 is connected with the input end of single-chip microcomputer 12, and the output terminal of single-chip microcomputer 12 is that hummer is connected with pilot lamp with alarm unit.When induction electrode 5 stopped on measured body or slides, the electric charge of being sensed will carry out electric charge and amplify.Because the input impedance of electric charge amplifying unit is very high, for fear of interference, so, take corresponding shielding measure at the input end of induced signal.In the present embodiment, after the signal after the amplification amplifies 8 amplifications through secondary again, produced the amplitude of certain amplitude.In order to remove undesired signal, mainly be that power frequency is disturbed, add one-level filtering 9 again.The measured body that has with electric charge very faint, far be not enough to produce spark, this moment should not report to the police.In order to reach the effect of not reporting by mistake, under the control of single-chip microcomputer 12, carry out intensity identification 10, only reach certain intensity after, send trigger pip by trigger element 11 again, drive 15 by Single-chip Controlling by hummer driving 14, pilot lamp and carry out sound, light warning.Sound and light alarm is synchronous, adopts discontinuous manner.Certainly,, also can directly directly be connected, send trigger pip with trigger element 11 by electric charge amplifying unit 7 if electric charge amplifying unit 7 is further perfect.The single-chip microcomputer 12 that uses for power saving is low-voltage power supplies, so after long-time the use, cell voltage descends, may cause that the work of charge detection part is undesired, and single-chip microcomputer 12 work is normal, have therefore designed low-voltage and have detected 13.When amplify, the power supply of filtering part is low when influence operate as normal, single-chip microcomputer 12 sends long time of alarm sound, points out the replacing battery.Yowl sound is different with interruption sound, to show the alarm content difference.Therefore increased reliability of the present utility model.
Claims (5)
1, a kind of hand-held hyperbaric oxygen chamber electrostatic detector, comprise housing, housing is provided with power supply, power switch, housing is provided with the electrostatic detection electrode, it is characterized in that being provided with in the housing control module, the input end of control module is connected with the electrostatic detection electrode, the output terminal of control module is connected with alarm unit, this control module comprises the electric charge amplifying unit that is connected with the electrostatic detection electrode, the trigger element that is connected with the electric charge amplifying unit, trigger element is connected with single-chip microcomputer, and the output terminal of single-chip microcomputer is connected with alarm unit.
2, by the described hand-held hyperbaric oxygen chamber of claim 1 electrostatic detector, it is characterized in that power supply is the battery that is positioned at the battery flat of housing.
3, by the described hand-held hyperbaric oxygen chamber of claim 2 electrostatic detector, it is characterized in that alarm unit is hummer and pilot lamp.
4, by the described hand-held hyperbaric oxygen chamber of claim 3 electrostatic detector, it is characterized in that control module comprises with the electrostatic detection electrode is connected the electric charge amplifying unit, the electric charge amplifying unit is connected with the secondary amplifying unit, the secondary amplifying unit is connected with filter unit, filter unit is connected with the intensity recognition unit, the intensity recognition unit is connected with trigger element, trigger element all is connected with the input end of single-chip microcomputer with the intensity recognition unit, the output terminal of single-chip microcomputer is connected with the pilot lamp driver element with the hummer driver element respectively, the hummer driver element is connected with hummer, and the pilot lamp driver element is connected with pilot lamp.
5, by the described hand-held hyperbaric oxygen chamber of claim 4 electrostatic detector, it is characterized in that single-chip microcomputer also is connected with the low-voltage detecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200670297U CN201000471Y (en) | 2007-02-05 | 2007-02-05 | Electrostatic detecting instrument for hand-hold hyperbaric oxygen chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200670297U CN201000471Y (en) | 2007-02-05 | 2007-02-05 | Electrostatic detecting instrument for hand-hold hyperbaric oxygen chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201000471Y true CN201000471Y (en) | 2008-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200670297U Expired - Fee Related CN201000471Y (en) | 2007-02-05 | 2007-02-05 | Electrostatic detecting instrument for hand-hold hyperbaric oxygen chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201000471Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932656A (en) * | 2017-01-22 | 2017-07-07 | 严志杰 | Charged object movement measuring device |
-
2007
- 2007-02-05 CN CNU2007200670297U patent/CN201000471Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932656A (en) * | 2017-01-22 | 2017-07-07 | 严志杰 | Charged object movement measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20110205 |