CN204314252U - A kind of leakage of refrigerant detector - Google Patents
A kind of leakage of refrigerant detector Download PDFInfo
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- CN204314252U CN204314252U CN201420689874.8U CN201420689874U CN204314252U CN 204314252 U CN204314252 U CN 204314252U CN 201420689874 U CN201420689874 U CN 201420689874U CN 204314252 U CN204314252 U CN 204314252U
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Abstract
The utility model relates to refrigeration system detection field, particularly relates to a kind of leakage of refrigerant detector.Protecgulum, bonnet, pointer display device, battery, gas-sensing probe external member and circuit control mainboard, and circuit controls mainboard is provided with sensitivity display device, real-time sampling device, warning device, gauge outfit display sensitivity device, battery voltage detector, electric supply installation and charging controller; Charging controller and electric supply installation all can be connected to break-make with battery, warning device, gauge outfit display sensitivity device and sensitivity display device are all connected with electric supply installation by real-time sampling device; Wherein, electric supply installation can be connected to break-make with battery by battery voltage detector, and gauge outfit display sensitivity device is connected with pointer display device.Detector machine volume is little, lightweight, is easy to carry, and broad quantum, data recovery function is powerful.
Description
Technical field
The utility model relates to refrigeration system detection field, particularly relates to a kind of leakage of refrigerant detector.
Background technology
Along with the progress of society and the day by day deep of energy-conserving and environment-protective idea, in various electrical equipment, the leakage problem of cold-producing medium more and more causes the concern of people, the leakage of cold-producing medium can directly cause refrigeration to decline, the adverse consequencess such as the refrigeration plant life-span is short, the cold-producing medium revealed also can atmosphere pollution, cause more serious consequence, and current a lot of leakage detection apparatus testing processes are complicated, a lot of pick-up unit adopts 220V Alternating Current Power Supply or 2-6 to save dry cell power supply, these pick-up units exist and carry inconvenience or the short defect of power-on time, in addition, the detecting head of some leakage of refrigerant pick-up units adopts metal straight pipe or plastic straighttube to gather gas procedure mostly, the operation of leakage place of sense organ difficulty cannot be brought to refrigeration piping dead angle or human body.
The present method of leaking that detects has greatly:
Bubble method
Bubble method is the more traditional and simple leak hunting method of one, and put into water after being sealed by measured piece, or suds are applied in the vessel surface after pressurization, under the driving of container inner and outer air pressure difference, air can ooze out from leak holes, in water, produce bubble.Operating personnel judge size and the leak point of leakage rate by the production observing bubble.This method can determine leak position, and simple to operate, but this method is not suitable for the measured piece that cannot move or volume is larger, perishable measured piece, and testing result affects larger by the subjective factor of operator.
Pressure leakage detection method
Pressure test is the one of dry type leak detection, owing to not needing to contact with water, is therefore applicable to the corrosion-prone situation of measured piece.By being filled with the air of certain pressure in measured piece, then seal measured piece, with gauge measurement measured piece internal gas pressure.If gases did escape, then pressure gauge reading will reduce gradually; Otherwise pressure gauge reading should remain unchanged, this method is for the complex-shaped measured piece such as coil pipe, and detection sensitivity and accuracy are all poor, and when leakage rate is less, detect consuming time longer.
Pressure reduction leak detecting
On the basis of pressure leakage detection method, by arranging reference container, compare the pressure differential of measured piece and reference container, to reach day high leak detection sensitivities and the object of accuracy, i.e. pressure reduction leak detecting.Pressurize to measured piece and standard component simultaneously, then measure by highly sensitive differential pressure pickup the pressure differential revealed between measured piece and standard component and change, judge whether measured piece is revealed accordingly.The method, when measured piece shape and structure complexity and micro leakage, still can detect leakage situation quickly and accurately, but accurately cannot find out leak point.
Other leak hunting methods
In addition to the above methods, also have the collection blank chamber supercharge method of widespread use in seal element is produced and ammonia leak detecting, the halogen leak detection in space flight, chemical field application, though these methods can reach point-device detection architecture, but process is complicated, but process is complicated, cost intensive, can only be suitable for special dimension, is not suitable for promoting.
Chinese patent (CN102667352A) describes a kind of leakage of refrigerant detection system, this system can detect the slow existence revealed based on refrigerant level and system data, these systems use data model that is that store or dynamic creation to calculate the refrigerant level of the tone, based on refrigerant level and actual refrigerant level and the statistical Process Control data of expection, leakage can be identified.
Utility model content
In view of the above problems, the utility model provides a kind of refrigrant leakage detector, it is characterized in that, comprise protecgulum, bonnet, pointer display device, battery, gas-sensing probe external member and circuit and control mainboard, and described circuit controls mainboard is provided with sensitivity display device, real-time sampling device, warning device, gauge outfit display sensitivity device, battery voltage detector, electric supply installation and charging controller;
Described charging controller and described electric supply installation all can be connected to break-make with described battery, described warning device, described gauge outfit display sensitivity device and described sensitivity display device are all connected with described electric supply installation by described real-time sampling device;
Wherein, described electric supply installation can be connected to break-make with described battery by described battery voltage detector, and described gauge outfit display sensitivity device is connected with described pointer display device.
Above-mentioned detector, is characterized in that, described gas-sensing probe external member comprises the scalable metal feeler lever that a gas-sensing probe is connected with described gas-sensing probe with one end, and the other end of described metal feeler lever connects described real-time sampling device.
Above-mentioned detector, is characterized in that, described sensitivity display device comprises some light emitting diodes and gauge tap, and described gauge tap controls the sensitivity level of described detector.
Above-mentioned detector, is characterized in that, described light emitting diode is 10, and the number that described light emitting diode is lighted represents different sensitivity levels.
Above-mentioned detector, is characterized in that, described battery voltage detector comprises Overcharging protector of battery, battery overcurrent protective device, battery overdischarging protector and battery over-temperature protection device.
Above-mentioned detector, is characterized in that, described warning device is voice guard.
Above-mentioned detector, is characterized in that, described battery is lithium battery.
Above-mentioned detector, is characterized in that, described pointer display device employing pointer rotation mode shows the leakage of refrigerant concentration that described detector detects.
Above-mentioned detector, it is characterized in that, described gas-sensitive head is equipped with gas sensor, and described sensor converts electrical signals to digital data transmission to described gauge outfit display sensitivity device, described gauge outfit display sensitivity device determines whether to output signal to described warning device, reports to the police.
Above-mentioned detector, is characterized in that, described protecgulum, bonnet are rectangle.
The utility model detector machine volume is little, lightweight, be easy to carry, and broad quantum, data recovery function is powerful, the trouble and worry that maloperation causes can be avoided, amount of refrigerant detection can also be carried out accurately, be coordinated by gas sensor and scalable metal feeler lever, can detection of leaks point flexibly, there is the advantage that clever lightness is high and precision is high, and change traditional power supply into rechargeable lithium battary, flying power during its work is significantly promoted.
Accompanying drawing explanation
Fig. 1 is the front elevation of this detector;
Fig. 2 is the side view of this detector.
Embodiment
Refrigrant leakage detector of the present utility model adds some functions be user-friendly to, freely arranging of sensitivity, the instruction leak degree of unique Tricolor LED wide region in a stepwise fashion, simultaneously also for display sensitivity rank and battery electric quantity, front and rear covers adopts rectangular moulding to greatly facilitate operation and maintenance, it is very convenient that pilot lamp is in use in indicating range, and scalable metal feeler lever 5 easily can detect the leakage situation at dead angle place flexibly.
As Fig. 1, shown in Fig. 2, the utility model relates to a kind of refrigrant leakage detector, this detector comprises protecgulum 1, bonnet, pointer display device 4, battery, gas-sensing probe external member and circuit control mainboard, gas-sensing probe external member comprises gas-sensing probe 6 and a scalable metal feeler lever 5, circuit controls mainboard is provided with sensitivity display device, real-time sampling device, warning device, gauge outfit display sensitivity device, battery voltage detector, electric supply installation and charging controller, charging controller and electric supply installation all can be connected to break-make with described battery, warning device, gauge outfit display sensitivity device is all connected with electric supply installation by real-time sampling device with sensitivity display device.
Wherein, electric supply installation can the connection of break-make by battery voltage detector and battery, and gauge outfit display sensitivity device is connected with pointer display device 4.
This detector can pilot cell situation, by the electricity of red light emitting diodes 7 pilot cell of the rightmost side, if when this red light emitting diodes 7 does not work, illustrate that cell voltage meets normal job requirement, when this red light emitting diodes 7 is bright, illustrate that this detector supply voltage is lower than 9V, can not work on, this detector is then needed to charge, when charging, do not sustain damage to protect battery, also Overcharging protector of battery is installed in battery voltage detector, battery overcurrent protective device and battery over-temperature protection device, if this detector does not use for a long time, battery discharge can be caused like this, if be discharged beyond certain value, battery will damage and not easily repair, so be also provided with battery overdischarging protector in battery voltage detector.In order to avoid charge frequency is too high, affect the actual service condition of detector, detector installs jumbo lithium battery, and after electricity of substituting the bad for the good so once, flying power just can significantly promote.
When this detector of needs detects leakage of refrigerant situation, moved on in clean air by this detector and reset, can adjust to maximum sensitivity like this, such operation then can detect higher concentration.This detector has ten grades of sensitivity adjustable, the protecgulum 1 of this detector is provided with a sensitivity control switch 2, this gauge tap 2 comprises a sensitivity increases key and a sensitivity decrease key, press the level that sensitivity increases key or reduces key adjustable sensitivity, corresponding sensitivity is indicated by light emitting diode 3, indicate respectively by red, yellow and green LED from minimum sensitivity to peak response, the bright number of light emitting diode 3 represents corresponding grade of sensitivity.Leftmost light emitting diode is 1 grade, and rightmost light emitting diode is 10 grades, presses to raise key or down key and will change sensitivity, by once changing one-level.When sensitivity is 1-3 level, red light emitting diodes is bright; When sensitivity is 4-6 level, yellow light-emitting diode is bright; When sensitivity is 7-10 level, green LED is bright, so, from left side number, represented the grade of sensitivity by the light emitting diode of respective number.
When detector is started working time, setting sensitivity, the gas-sensitive head 6 that gas sensor is housed detects leakage of refrigerant concentration around, pointer when detecting cold-producing medium in atmosphere on pointer display device 4 rotates, observe the pointer rotational steps on pointer display device 4, the concentration of amplitude larger expression leakage of refrigerant rotated when pointer is larger, so just from cold-producing medium source of leaks more and more close to.Now, the gas sensor in gas-sensing probe 6 converts the electrical signal to digital data transmission to gauge outfit display sensitivity device, according to the value preset, gauge outfit display sensitivity device determines whether that signal transmission is reported to the police to warning device.Use the equipment of cold-producing medium must ensure that its cold-producing medium can not be revealed for major part, so just need when detector has detected leakage of refrigerant to report to the police, if some equipment has allowed a small amount of leakage, or gas sensor is slightly blunt, then report to the police again after allowing it to exceed certain limit.Alarm adopts voice guard, preferably adopts hummer.
So, above-mentioned detector machine volume is little, lightweight, be easy to carry, and broad quantum, data recovery function is powerful, the trouble and worry that maloperation causes can be avoided, amount of refrigerant detection can also be carried out accurately, be coordinated by gas sensor and scalable metal feeler lever 5, can detection of leaks point flexibly, there is the advantage that clever lightness is high and precision is high.
By illustrating and accompanying drawing, giving the exemplary embodiments of the ad hoc structure of embodiment, based on the utility model spirit, also can do other conversion.Although above-mentioned utility model proposes existing preferred embodiment, but these contents are not as limitation.
For a person skilled in the art, after reading above-mentioned explanation, various changes and modifications undoubtedly will be apparent.Therefore, appending claims should regard the whole change and correction of containing true intention of the present utility model and scope as.In Claims scope, the scope of any and all equivalences and content, all should think and still belong in intention of the present utility model and scope.
Claims (10)
1. a refrigrant leakage detector, it is characterized in that, comprise protecgulum, bonnet, pointer display device, battery, gas-sensing probe external member and circuit and control mainboard, and described circuit controls mainboard is provided with sensitivity display device, real-time sampling device, warning device, gauge outfit display sensitivity device, battery voltage detector, electric supply installation and charging controller;
Described charging controller and described electric supply installation all can be connected to break-make with described battery, described warning device, described gauge outfit display sensitivity device and described sensitivity display device are all connected with described electric supply installation by described real-time sampling device;
Wherein, described electric supply installation can be connected to break-make with described battery by described battery voltage detector, and described gauge outfit display sensitivity device is connected with described pointer display device.
2. detector according to claim 1, is characterized in that, described gas-sensing probe external member comprises the scalable metal feeler lever that a gas-sensing probe is connected with described gas-sensing probe with one end, and the other end of described metal feeler lever connects described real-time sampling device.
3. detector according to claim 1, is characterized in that, described sensitivity display device comprises some light emitting diodes and gauge tap, and described gauge tap controls the sensitivity level of described detector.
4. detector according to claim 3, is characterized in that, described light emitting diode is 10, and the number that described light emitting diode is lighted represents different sensitivity levels.
5. detector according to claim 1, is characterized in that, described battery voltage detector comprises Overcharging protector of battery, battery overcurrent protective device, battery overdischarging protector and battery over-temperature protection device.
6. detector according to claim 1, is characterized in that, described warning device is voice guard.
7. detector according to claim 1, is characterized in that, described battery is lithium battery.
8. detector according to claim 1, is characterized in that, described pointer display device employing pointer rotation mode shows the leakage of refrigerant concentration that described detector detects.
9. detector according to claim 2, it is characterized in that, described gas-sensitive head is equipped with gas sensor, described sensor converts electrical signals to digital data transmission to described gauge outfit display sensitivity device, described gauge outfit display sensitivity device determines whether to output signal to described warning device, reports to the police.
10. detector according to claim 1, is characterized in that, described protecgulum, bonnet are rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689874.8U CN204314252U (en) | 2014-11-17 | 2014-11-17 | A kind of leakage of refrigerant detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689874.8U CN204314252U (en) | 2014-11-17 | 2014-11-17 | A kind of leakage of refrigerant detector |
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| Publication Number | Publication Date |
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| CN204314252U true CN204314252U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420689874.8U Expired - Fee Related CN204314252U (en) | 2014-11-17 | 2014-11-17 | A kind of leakage of refrigerant detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410308A (en) * | 2016-11-29 | 2017-02-15 | 华霆（合肥）动力技术有限公司 | Leakage detection warning device, leakage detection warning method and battery module |
| CN113787974A (en) * | 2021-08-18 | 2021-12-14 | 东蒲联合科技(福建)有限责任公司 | Cold-chain logistics vehicle and cargo safe transportation method thereof |
-
2014
- 2014-11-17 CN CN201420689874.8U patent/CN204314252U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410308A (en) * | 2016-11-29 | 2017-02-15 | 华霆（合肥）动力技术有限公司 | Leakage detection warning device, leakage detection warning method and battery module |
| CN106410308B (en) * | 2016-11-29 | 2023-10-20 | 华霆（合肥）动力技术有限公司 | Leak detection alarm device and method and battery module |
| CN113787974A (en) * | 2021-08-18 | 2021-12-14 | 东蒲联合科技(福建)有限责任公司 | Cold-chain logistics vehicle and cargo safe transportation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20171117 |