CN108133570A - Low emissivity glass and low emissivity glass detection method - Google Patents
Low emissivity glass and low emissivity glass detection method Download PDFInfo
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- CN108133570A CN108133570A CN201711394641.XA CN201711394641A CN108133570A CN 108133570 A CN108133570 A CN 108133570A CN 201711394641 A CN201711394641 A CN 201711394641A CN 108133570 A CN108133570 A CN 108133570A
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- parameter value
- performance parameter
- radiation film
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- emissivity glass
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/04—Mechanical actuation by breaking of glass
Abstract
The present invention relates to a kind of low emissivity glass and low emissivity glass detection method, low emissivity glass includes detection device and warning device.The detection device is electrically connected with the warning device.The detection device is used to detect the real-time performance parameter value of low radiation film itself of the low emissivity glass, and when the variable quantity of corresponding performance parameter value before detecting that the real-time performance parameter value is destroyed relative to the low radiation film is more than given threshold, alarm signal is sent out by the warning device.The low radiation film is destroyed the preceding corresponding performance parameter value and is destroyed the rear corresponding performance parameter value different from the low radiation film.The state that the low emissivity glass directly detects low emissivity glass ontology can determine whether low emissivity glass crushes, without being detected by indirect detections means such as vibration or sound, and the installation site, use environment to detection device all without particular/special requirement, can reduce influence of the external interference signal to accuracy of detection.
Description
Technical field
The present invention relates to glass technology field, more particularly to a kind of low emissivity glass and low emissivity glass detection method.
Background technology
Low emissivity glass, also known as LOW-E glass are the films that multiple layer metal or other compounds composition are plated in glass surface
It is product.Its film plating layer has to the characteristic of visible ray high transmission and centering far infrared high reflection, make it with simple glass and
Traditional coated glass for building is compared, and has excellent heat insulation and good translucency.The mechanicalness of low emissivity glass
Can be good, compressive resistance is high, and is root face comminutions after broken, will not cause to hurt, application scenarios are increasingly extensive.However,
Due to self-characteristic, low emissivity glass is there is certain self-destruction risk, when it is applied to skyscraper, once occur from
Quick-fried, glass fragment can be fallen from the air, and security risk is caused to personnel and environment.Therefore, glass break sensors come into being.
Traditional glass break sensors generally use piezoelectric ceramics class sensor or pressure detector.Wherein, piezoelectricity is made pottery
What porcelain class sensor generated when the characteristic of vibration sensing being impacted and crushed to receive low emissivity glass using piezoelectric ceramics shakes
Dynamic wave, is then converted into electric signal output.Its effective monitoring frequency is 10k~15kHZ, due to its sensitivity to high-frequency vibration
Property, it is more demanding for installation site, it is necessary to be missed far from disturbed sources of noise close to monitored low emissivity glass and with reducing
Alarm；In addition, curtain, shutter or other overcovers can partially absorb the energy sent out when low emissivity glass crushes, particularly
The propagation that thick and heavy curtain will seriously stop sound.The operation principle of pressure detecting sensors is：Detection glass shakes size
No to reach given threshold, if reaching, judgement has external force to invade and then alarm.It is stringent to environmental requirement, equally easily has dry
It disturbs signal and causes false alarm.
Invention content
Based on this, it is necessary to which for traditional low emissivity glass crushing detection method, false alarm is asked caused by interference signal
Topic, provides a kind of low emissivity glass and low emissivity glass detection method.
A kind of low emissivity glass, including detection device and warning device；The detection device is electrically connected with the warning device
It connects；The detection device is used to detect the real-time performance parameter value of low radiation film itself of the low emissivity glass, and is examining
Measure the variable quantity of corresponding performance parameter value before the real-time performance parameter value is destroyed relative to the low radiation film
During more than given threshold, alarm signal is sent out by the warning device；The low radiation film is corresponding described before being destroyed
Performance parameter value is destroyed the rear corresponding performance parameter value different from the low radiation film.
The detection device includes detection circuit and control circuit in one of the embodiments,；The detection circuit with
Control circuit electrical connection, and the detection circuit be formed in the low radiation film surface and with low radiation film electricity
Connection；The control circuit is electrically connected with the warning device；
The detection circuit is used to acquire the performance parameter value, and for collected real-time performance parameter value to be sent to
The control circuit；The control circuit is used to detect the real-time performance parameter value relative to the low radiation film
When the variable quantity of corresponding performance parameter value is more than given threshold before being destroyed, alarm signal is sent out by the warning device.
The detection circuit includes the difference for being respectively formed in the low radiation film surface in one of the embodiments,
Position and two or more measuring units being electrically connected with the low radiation film；Each measuring unit with it is described
Control circuit is electrically connected.
The performance parameter value is to be formed back by the measuring unit and the control circuit in one of the embodiments,
Lu Hou is located at the electrical parameter value of the part between two measuring units on the low radiation film.
The electrical parameter value is resistance value, current value, voltage value or impedance value in one of the embodiments,.
The measuring unit is wire printing material in one of the embodiments,.
The wire printing material and the conductive film layer Ohm connection in the low radiation film in one of the embodiments,.
The detection circuit further includes two or more power cord in one of the embodiments,；It is electric described in each item
One end of source line is welded in the corresponding measuring unit, and the other end is electrically connected to the control circuit.
The variable quantity is the real-time performance parameter value and the low radiation film quilt in one of the embodiments,
Difference before destruction between corresponding performance parameter value accounts for hundred of corresponding performance parameter value before the low radiation film is destroyed
Divide ratio；The given threshold is more than 5%.
A kind of low emissivity glass detection method, including：
Obtain the real-time performance parameter value of low radiation film itself of low emissivity glass；And
Judge that the real-time performance parameter value is destroyed preceding corresponding performance parameter value relative to the low radiation film
Variable quantity be more than given threshold when, alarm signal is sent out by warning device；Wherein, the low radiation film is right before being destroyed
The performance parameter value answered is destroyed the rear corresponding performance parameter value different from the low radiation film.
In above-mentioned low emissivity glass and low emissivity glass detection method, detection device is used to detect low radiation film itself
Real-time performance parameter value, and the corresponding performance before detecting that real-time performance parameter value is destroyed relative to low radiation film
When the variable quantity of parameter value is more than given threshold, alarm signal is sent out by warning device.Therefore, which directly examines
The state for surveying low emissivity glass ontology can determine whether low emissivity glass crushes, without passing through the indirect detections such as vibration or sound
Means are detected, and installation site, the use environment to detection device all without particular/special requirement, can reduce external interference letter
Influence number to accuracy of detection.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
The attached drawing of other embodiment is obtained according to these attached drawings.
Fig. 1 is the circuit block diagram that the low emissivity glass that an embodiment provides is related to；
The circuit block diagram of one of embodiment of the low emissivity glass of Fig. 2 Fig. 1 illustrated embodiments；
Fig. 3 is the structural decomposition diagram of one of embodiment of the low emissivity glass of embodiment illustrated in fig. 2；
Schematic shapes of the Fig. 4 for another embodiment of measuring unit in the low emissivity glass of embodiment illustrated in fig. 2；
Fig. 5 is the flow chart of low emissivity glass detection method that another embodiment provides.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, the skill of technical field of all of technologies and scientific terms used here by the article with belonging to invention
The normally understood meaning of art personnel is identical.Description to be intended merely in the term used in the description of invention specific herein
The purpose of embodiment, it is not intended that the limitation present invention.Term as used herein "and/or" includes one or more relevant institutes
The arbitrary and all combination of list of items.
One embodiment provides a kind of low emissivity glass, as shown in Figure 1, Figure 3, including detection device 100 and alarm dress
Put 200.Detection device 100 is electrically connected with warning device 200.The Low emissivity that detection device 100 is used to detect low emissivity glass is thin
The real-time performance parameter value of film 300 itself, and detecting that real-time performance parameter value is destroyed relative to low radiation film 300
When the variable quantity of preceding corresponding performance parameter value is more than given threshold, alarm signal is sent out by warning device 200.Low emissivity is thin
Performance parameter value before film 300 is damaged is different from the performance parameter value after low radiation film 300 is damaged.
Wherein, detection device 100 judges Low emissivity glass by detecting the performance parameter tabular value of low radiation film 300 itself
Whether glass is destroyed, i.e., detection device 100 is to judge Low emissivity glass by detecting the state change of low emissivity glass in itself
Whether glass is destroyed, without by the indirect detections means such as vibration, sound.Low radiation film 300 is corresponding before being destroyed
Performance parameter value, in other words, low radiation film 300 are in corresponding performance parameter value under normal circumstances, at this moment low radiation film
300 be still complete.Corresponding performance parameter value is broken different from low radiation film 300 before low radiation film 300 is destroyed
Corresponding performance parameter value after bad, in other words, the condition that performance parameter needs meet is：Low emissivity glass will before and after being destroyed
It can change, consequently facilitating detection device 100 is detected.
Performance parameter value is, for example, resistance value.Low radiation film 300 is conductive, and low radiation film 300 is in normal
It is complete during service condition, at this moment the resistance value of low radiation film 300 is a fixed virtual value.Once low emissivity glass
It is destroyed, low radiation film 300 will crush, and at this moment low radiation film 300 is no longer continuous, and resistance value will increase to several times
Even tens thousand of times.Therefore, when detecting that the variable quantity of resistance value of low emissivity glass 300 is more than given threshold, you can to sentence
Disconnected low emissivity glass is destroyed.It is understood that performance parameter value is not limited to a kind of resistance value this situation, can also be it
His type being capable of changed parameter value before and after low radiation film 300 is destroyed.
The variable quantity of corresponding performance parameter value before real-time performance parameter value is destroyed relative to low radiation film 300,
Difference before being directly destroyed for real-time performance parameter value with low radiation film 300 between corresponding performance parameter value,
Or the difference before being destroyed for real-time performance parameter value with low radiation film 300 between corresponding performance parameter value accounts for low spoke
Penetrate the percentage of corresponding performance parameter value before film 300 is destroyed.Specifically, when variable quantity is the situation of above-mentioned the latter,
Given threshold can be more than 5%.
Detection device 100 sends out alarm signal by warning device 200, i.e. detection device 100 is sent out to warning device 200
Corresponding control signal, warning device 200 send out alarm signal after receiving the control signal.Wherein, warning device 200 can
By directly by sound, light or other be easily easily noticed by the users in a manner of send out alarm signal, such as warning device 200 can be bee
Ring device, and at this moment warning device 200 can remind related personnel by making a sound.Alternatively, warning device 200 can also will be reported
Alert signal is wirelessly transmitted on the mobile phone of related personnel, low emissivity glass to be prompted to be destroyed.Once in this way, detection device
100 detection low emissivity glasses are destroyed, and can notify related personnel in time by warning device 200 so that correlation to be taken to arrange
Apply, so as to avoid theft, glass fall the accidents such as hurt sb.'s feelings, such as：After staff receives alarm, people downstairs can be evacuated rapidly
Member, to avoid low emissivity glass is fallen down and injures personnel downstairs by a crashing object.
Traditional piezoelectric ceramics class sensor requires installation site high, it is necessary to close to monitored low emissivity glass and want
Far from disturbed sources of noise, to reduce false alarm；In addition, curtain, shutter or other overcovers can partially absorb low emissivity glass
The energy sent out when broken, the propagation that particularly thick and heavy curtain will seriously stop sound.Traditional piezoelectric detecting sensor is same
Sample is stringent to environmental requirement, easily has interference signal to cause false alarm.Vacuum degree inductor is used in vacuum glass system, when low
When radiant glass wrecks, vacuum degree inductor senses that vacuum degree changes, so as to detect whether glass is destroyed,
It is only applicable to vacuum glass, and for ordinary insulating glass or the glass filled with other protective gas is invalid.
Above-mentioned low emissivity glasses different from above-mentioned traditional approach, that present embodiment provides, detection device 100 pass through detection
The state change of low emissivity glass itself detects whether low emissivity glass is destroyed, without by vibration or sound etc. indirectly
Detection means is detected, and installation site, the use environment to detection device 100 without particular/special requirement, can all reduce outer
The influence of boundary's interference signal and curtain shutter to accuracy of detection.In addition, the low emissivity glass that present embodiment provides is not only
Suitable for vacuum glass, monolithic glass, hollow glass and the glass filled with other type protective gas, application range are applied also for
Extensively.
It please refers to Fig.2 in one of the embodiments, above-mentioned detection device 100 includes detection circuit 110 and control circuit
120.Detection circuit 110 is electrically connected with control circuit 120, and detection circuit 110 be formed in 300 surface of low radiation film and with it is low
Radiation film 300 is electrically connected.Control circuit 120 is electrically connected with warning device 200.
Detection circuit 110 is used for acquisition performance parameter value, and collected real-time performance parameter value is sent to control
Circuit 120.Wherein, detection circuit 110 is formed in 300 surface of low radiation film and is electrically connected with low radiation film 300, is equivalent to
Detection circuit 110 forms Ohm connection with low radiation film 300, so as to directly reflect the state of low radiation film 300
Variation.
Specifically, it please refers to Fig.3, detection circuit 110 includes being respectively formed in the different location on 300 surface of low radiation film
And two or more measuring units 111 being electrically connected with low radiation film 300.It should be noted that it is only shown in Fig. 3
Two measuring units 111, in practical application, the quantity of measuring unit 111 is not limited to two, for example, three, four, five
Or six.Each measuring unit 111 is electrically connected with control circuit 120.It in this way, can be upper by detecting low radiation film 300
The performance parameter value of part between two or more measuring units 111, to judge whether low emissivity glass crushes.
Specifically, performance parameter value is low radiation film 300 after being formed into a loop by measuring unit 111 and control circuit 120
The electrical parameter value of the upper part being located between two measuring units 111.Electrical parameter value is, for example, resistance value, current value, electricity
Pressure value or impedance value.For example, if the quantity of measuring unit 111 were two, one of measuring unit 111 and control circuit
120 one end electrical connection, another measuring unit 111 are electrically connected with the other end of control circuit 120.So, low radiation film
300 resistance values for being located at part between two measuring units 111 can be examined by two measuring units 111 with control circuit 120
It measures and, so as to detect low radiation film 300 state change of itself in real time.Alternatively, in order to improve the accuracy of detection,
Four measuring units 111 can be set on low radiation film 300, and each two measuring unit 111 is one group, and is measured respectively
On low radiation film 300 positioned at each group two measuring units 111 between part electrical parameter value.
Further, measuring unit 111 is wire printing material.Wire printing material is, for example, the brazing metals such as silver, tin, copper, palladium.Tool
Body, wire printing material and conductive film layer (such as silver layer) Ohm connection in low radiation film 300.Pass through the side of Ohm connection
Formula so that measuring unit 111 can reflect the situation of the electrical parameter value of low radiation film 300.
The one of which manufacturing process of the low emissivity glass is：After the completion of plated film, silk-screen measures on low radiation film 300
Unit 111 subsequently enters annealing furnace tempering, and in sintering process, wire printing material can penetrate into the conduction in low radiation film 300
Film layer (such as silver layer) forms Ohm connection, in this way, may be such that the electrical parameter of the directly detection conductive film layer of measuring unit 111
Value value.
Further, please continue to refer to Fig. 3, detection circuit 110 further includes two or more power cord 112.Each item
One end of power cord 112 is welded in corresponding measuring unit 111, and the other end is electrically connected with control circuit 120.Power cord 112
For example, double wired conductor.
In addition, measuring unit 111 can have any shape, such as round (please referring to Fig.3) or round and strip
Composite figure, and one end of strip part is welded and (is please referred to Fig.4) with power cord 112.
Further, measuring unit 111 can be located at low emissivity glass sealing material in or low emissivity glass sealing
Outside material.Wherein, low emissivity glass is, for example, hollow glass, and structure is usually：One layer of glass containing low radiation film 300
With it is hollow with piece (hollow with piece can be the glass containing low radiation film 300 either simple glass or other type glass) by
Sealant (sealant includes sealing material and frame), which links together, forms hollow glass.Wherein, sealing material is, for example, fourth
Base rubber or structure glue.Therefore, when low emissivity glass is hollow glass, measuring unit 111 can be located in butyl rubber sealing strip
Or outside butyl rubber sealing strip.
It should be noted that the mounting means of measuring unit 111 according to need to actually carry out be adapted installation, such as：It is practical
The occasion of application to low emissivity glass appearance it is more demanding when, then measuring unit 111 can be set in sealing material, this
When measuring unit 111 be hidden in low emissivity glass.
Control circuit 120 is used for right before detecting that real-time performance parameter value is destroyed relative to low radiation film 300
When the variable quantity for the performance parameter value answered is more than given threshold, alarm signal is sent out by warning device 200.Wherein, if performance
Parameter value is resistance value, then control circuit 120 can detect the electricity of low radiation film 300 with reference to the circuit of traditional measurement resistance
Resistance value, such as：The circuit of resistance can be measured by using constant flow method or proportion of utilization method measures the circuit of resistance to detect.And
And control circuit 120 can be compared the real-time resistance value of acquisition by comparing device or microcontroller, and judge in real time
Resistance value relative to setting standard electric resistance value (i.e. low emissivity glass be not destroyed before resistance value) variable quantity be more than set
When determining resistance value, corresponding control signal is exported to warning device 200.After warning device 200 receives the control signal i.e.
Send out alarm signal.Such as：Assuming that warning device 200 includes the triode and buzzer that are connected, wherein, triode is used to drive
Triode ON when moving buzzer, and assuming the base stage of triode for high level, then when control circuit 120 judges low emissivity glass
During by destroying, high level is exported to the base stage of triode, at this moment triode ON, so as to which buzzer be driven to make a sound, with
Send out alarm signal.
Specifically, control circuit 120 can be located in the window frame 400 (please referring to Fig.3) of low emissivity glass.
Another embodiment provides a kind of low emissivity glass detection method, the detection that can be provided by the above embodiment
Device 100 performs.Fig. 5 and above-mentioned Fig. 1 is please referred to, the low emissivity glass detection method that present embodiment provides is included in following
Hold.
Step S100 obtains the real-time performance parameter value of low radiation film 300 itself of low emissivity glass.
Wherein, detection device 100 judges Low emissivity glass by detecting the performance parameter tabular value of low radiation film 300 itself
Whether glass is destroyed, i.e., detection device 100 is to judge Low emissivity glass by detecting the state change of low emissivity glass in itself
Whether glass is destroyed, without by the indirect detections means such as vibration, sound.Low radiation film 300 is corresponding before being destroyed
Performance parameter value, in other words, low radiation film 300 are in corresponding performance parameter value under normal circumstances, at this moment low radiation film
300 be still complete.Corresponding performance parameter value is broken different from low radiation film 300 before low radiation film 300 is destroyed
Corresponding performance parameter value after bad, in other words, the condition that performance parameter needs meet is：Low emissivity glass will before and after being destroyed
It can change, consequently facilitating detection device 100 is detected.
Performance parameter value is, for example, resistance value.Low radiation film 300 is conductive, and low radiation film 300 is in normal
It is complete during service condition, at this moment the resistance value of low radiation film 300 is a fixed virtual value.Once low emissivity glass
It is destroyed, low radiation film 300 will crush, and at this moment low radiation film 300 is no longer continuous, and resistance value will increase to several times
Even tens thousand of times.Therefore, when detecting that the variable quantity of resistance value of low emissivity glass 300 is more than given threshold, you can to sentence
Disconnected low emissivity glass is destroyed.It is understood that performance parameter value is not limited to a kind of resistance value this situation, can also be it
His type being capable of changed parameter value before and after low radiation film 300 is destroyed.
Step S200 judges that real-time performance parameter value is destroyed preceding corresponding performance relative to low radiation film 300 and joins
When the variable quantity of numerical value is more than given threshold, alarm signal is sent out by warning device 200.Wherein, low radiation film 300 is broken
Corresponding performance parameter value is different from corresponding performance parameter value after low radiation film 300 is destroyed before bad.
The variable quantity of corresponding performance parameter value before real-time performance parameter value is destroyed relative to low radiation film 300,
Difference before being directly destroyed for real-time performance parameter value with low radiation film 300 between corresponding performance parameter value,
Or the difference before being destroyed for real-time performance parameter value with low radiation film 300 between corresponding performance parameter value accounts for low spoke
Penetrate the percentage of corresponding performance parameter value before film 300 is destroyed.Specifically, when variable quantity is the situation of above-mentioned the latter,
Given threshold can be more than 5%.
Detection device 100 sends out alarm signal by warning device 200, i.e. detection device 100 is sent out to warning device 200
Corresponding control signal, warning device 200 send out alarm signal after receiving the control signal.Wherein, warning device 200 can
By directly by sound, light or other be easily easily noticed by the users in a manner of send out alarm signal, such as warning device 200 can be bee
Ring device, and at this moment warning device 200 can remind related personnel by making a sound.Alternatively, warning device 200 can also will be reported
Alert signal is wirelessly transmitted on the mobile phone of related personnel, low emissivity glass to be prompted to be destroyed.Once in this way, detection device
100 detection low emissivity glasses are destroyed, and can notify related personnel in time by warning device 200 so that correlation to be taken to arrange
Apply, so as to avoid theft, glass fall the accidents such as hurt sb.'s feelings, such as：After staff receives alarm, people downstairs can be evacuated rapidly
Member, to avoid low emissivity glass is fallen down and injures personnel downstairs by a crashing object.
Traditional piezoelectric ceramics class sensor requires installation site high, it is necessary to close to monitored low emissivity glass and want
Far from disturbed sources of noise, to reduce false alarm；In addition, curtain, shutter or other overcovers can partially absorb low emissivity glass
The energy sent out when broken, the propagation that particularly thick and heavy curtain will seriously stop sound.Traditional piezoelectric detecting sensor is same
Sample is stringent to environmental requirement, easily has interference signal to cause false alarm.Vacuum degree inductor is used in vacuum glass system, when low
When radiant glass wrecks, vacuum degree inductor senses that vacuum degree changes, so as to detect whether glass is destroyed,
It is only applicable to vacuum glass, and for ordinary insulating glass or the glass filled with other protective gas is invalid.
Above-mentioned low emissivity glass detection methods different from above-mentioned traditional approach, that present embodiment provides, detection device 100
Detect whether low emissivity glass is destroyed by detecting the state change of low emissivity glass itself, without passing through vibration or sound
The indirect detections means such as sound are detected, and installation site to detection device 100, use environment be all without particular/special requirement, can
To reduce the influence of external interference signal and curtain shutter to accuracy of detection.In addition, the Low emissivity that present embodiment provides
Glass detection method is applicable not only to vacuum glass, applies also for monolithic glass, hollow glass and protects gas filled with other types
The glass of body, has wide range of applications.
It please refers to Fig.2 in one of the embodiments, detection device 100 includes detection circuit 110 and control circuit 120.
Detection circuit 110 is electrically connected with control circuit 120, and detection circuit 110 is formed in 300 surface of low radiation film and and Low emissivity
Film 300 is electrically connected.Control circuit 120 is electrically connected with warning device 200.
Detection circuit 110 is used to acquire the real-time performance parameter value of low radiation film 300 itself, and will be collected real-time
Performance parameter value be sent to control circuit 120.Control circuit 120 can perform the above-mentioned Low emissivity glass of present embodiment offer
Glass detection method.
It please refers to Fig.3 in one of the embodiments, detection circuit 110 includes being respectively formed in 300 table of low radiation film
The different location in face and two or more measuring units 111 being electrically connected with low radiation film 300.Each measuring unit
111 are electrically connected with control circuit 120.
After performance parameter value is is formed into a loop by measuring unit 111 and control circuit 120 in one of the embodiments,
It is located at the electrical parameter value of the part between two measuring units 111 on low radiation film 300.
Electrical parameter value is resistance value, current value, voltage value or impedance value in one of the embodiments,.
Measuring unit 111 is wire printing material in one of the embodiments,.
Wire printing material and the conductive film layer Ohm connection in low radiation film 300 in one of the embodiments,.
In one of the embodiments, please continue to refer to Fig. 3, detection circuit 110 further includes two or more power supply
Line 112.One end of each power cord 112 is welded in corresponding measuring unit 111, and the other end is electrically connected with control circuit 120.
The variable quantity is the real-time performance parameter value and 300 quilt of low radiation film in one of the embodiments,
Difference before destruction between corresponding performance parameter value accounts for the percentage of corresponding performance parameter value before low radiation film 300 is destroyed
Than.The given threshold is more than 5%.
It should be noted that the work of each structure involved in the low emissivity glass detection method that present embodiment provides is former
Reason is identical with the low emissivity glass that the above embodiment provides, and just repeats no more here.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of low emissivity glass, which is characterized in that including detection device and warning device；The detection device and the alarm
Device is electrically connected；The detection device is used to detect the real-time performance parameter of low radiation film itself of the low emissivity glass
Value, and the corresponding performance parameter value before detecting that the real-time performance parameter value is destroyed relative to the low radiation film
Variable quantity be more than given threshold when, alarm signal is sent out by the warning device；The low radiation film is right before being destroyed
The performance parameter value answered is destroyed the rear corresponding performance parameter value different from the low radiation film.
2. low emissivity glass according to claim 1, which is characterized in that the detection device includes detection circuit and control
Circuit；The detection circuit is electrically connected to the control circuit, and the detection circuit is formed in the low radiation film surface
And it is electrically connected with the low radiation film；The control circuit is electrically connected with the warning device；
Collected real-time performance parameter value is sent to described by the detection circuit for acquiring the performance parameter value
Control circuit；The control circuit is used to detect that the real-time performance parameter value is broken relative to the low radiation film
When the variable quantity of corresponding performance parameter value is more than given threshold before bad, alarm signal is sent out by the warning device.
3. low emissivity glass according to claim 2, which is characterized in that the detection circuit includes being respectively formed in described
The different location on low radiation film surface and two or more measuring units being electrically connected with the low radiation film；Respectively
The measuring unit is electrically connected to the control circuit.
4. low emissivity glass according to claim 3, which is characterized in that the performance parameter value is by the measuring unit
It is located at the electrical of the part between two measuring units after being formed into a loop with the control circuit, on the low radiation film
Parameter value.
5. low emissivity glass according to claim 4, which is characterized in that the electrical parameter value for resistance value, current value,
Voltage value or impedance value.
6. low emissivity glass according to claim 4, which is characterized in that the measuring unit is wire printing material.
7. low emissivity glass according to claim 6, which is characterized in that in the wire printing material and the low radiation film
Conductive film layer Ohm connection.
8. according to the low emissivity glass described in any one of claim 3 to 7 claim, which is characterized in that the detection electricity
Road further includes two or more power cord；One end of power cord described in each item is welded in the corresponding measuring unit,
The other end is electrically connected to the control circuit.
9. according to the low emissivity glass described in any one of claim 1 to 7 claim, which is characterized in that the variable quantity
Difference before being destroyed for the real-time performance parameter value with the low radiation film between corresponding performance parameter value accounts for institute
State the percentage of corresponding performance parameter value before low radiation film is destroyed；The given threshold is more than 5%.
10. a kind of low emissivity glass detection method, including：
Obtain the real-time performance parameter value of low radiation film itself of low emissivity glass；And
Judge that the real-time performance parameter value is destroyed the change of preceding corresponding performance parameter value relative to the low radiation film
When change amount is more than given threshold, alarm signal is sent out by warning device；Wherein, the low radiation film is corresponding before being destroyed
The performance parameter value is destroyed the rear corresponding performance parameter value different from the low radiation film.
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