CN209417884U - Fire-disaster monitoring device with liquid crystal light valve - Google Patents
Fire-disaster monitoring device with liquid crystal light valve Download PDFInfo
- Publication number
- CN209417884U CN209417884U CN201920247552.0U CN201920247552U CN209417884U CN 209417884 U CN209417884 U CN 209417884U CN 201920247552 U CN201920247552 U CN 201920247552U CN 209417884 U CN209417884 U CN 209417884U
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- China
- Prior art keywords
- light valve
- liquid crystal
- fire
- crystal light
- monitoring device
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Abstract
The utility model provides a kind of fire-disaster monitoring device with liquid crystal light valve, including monitoring camera, polymer stabilized cholesteric phase liquid crystal light valve, temperature sensor, data storage, processor, protection box；Processor is by the video image storage received to data storage；Temperature at temperature sensor real-time detection fire-disaster monitoring device；Processor response is more than set temperature threshold value in the temperature that temperature sensor detects, and sends out code and adjusts motor output shaft revolving speed to motor, drive transmission device moves so that box cover rotates up to enclosed box body.The utility model can be realized and be monitored to the privacy of monitoring area under the premise of not influencing fire hazard monitoring function；In addition, when the temperature is excessively high, closing protection box by temperature sensor monitoring site temperature, protecting monitoring camera and data storage, used with making subsequent accident tracking.
Description
Technical field
The utility model relates to PSCT light valve fields, fill in particular to a kind of fire hazard monitoring with liquid crystal light valve
It sets.
Background technique
Currently, monitoring camera used in daily life is the video image that region is specified by using captured in real-time,
Again by manual analysis video image to reach monitoring purpose, human cost is higher.
Sometimes user is for privacy requirements, it is undesirable to be photographed, it will usually and monitoring camera is closed in selection, but close
Monitoring camera can not play supervisory function bit when fire occurs.
In addition, in some cases, since fire behavior is excessive, shooting record can not be saved after monitoring camera damage, after being
Continuous accident tracking is made troubles.
Utility model content
The utility model aim is to provide a kind of fire-disaster monitoring device with liquid crystal light valve, shoot in monitoring camera
Side sets up polymer stabilized cholesteric phase liquid crystal light valve, by controlling display state, before not influencing fire hazard monitoring function
It puts, realizes and the privacy of monitoring area is monitored；In addition, when the temperature is excessively high, being closed by temperature sensor monitoring site temperature
Protection box is closed, monitoring camera and data storage are protected, is used with making subsequent accident tracking.
To reach above-mentioned purpose, in conjunction with Fig. 1, the present invention proposes a kind of fire-disaster monitoring device with liquid crystal light valve, described
Fire-disaster monitoring device includes monitoring camera, polymer stabilized cholesteric phase liquid crystal light valve, temperature sensor, data storage, place
Manage device, protection box.
The monitoring camera, polymer stabilized cholesteric phase liquid crystal light valve, data storage, processor are mounted on protection box
It is interior.
The monitoring camera, polymer stabilized cholesteric phase liquid crystal light valve, temperature sensor, data storage respectively with place
Manage device electrical connection.
The protection box includes box body, box cover, transmission mechanism, motor, and the box cover is defeated by transmission mechanism and motor
Axis connection out.
Towards specifying the side in region to be provided with the first opening, polymer stabilized cholesteric phase liquid crystal light valve is embedded in the box body
In first opening, monitoring camera is mounted on side of the polymer stabilized cholesteric phase liquid crystal light valve far from the first opening, the box
Lid is arranged in the first open outer side, is rotatably connected on box body.
The monitoring camera specifies the video image in region to captured in real-time one, and the video image of shooting is sent out
It send to processor.
The processor is by the video image storage received to data storage.
The polymer stabilized cholesteric phase liquid crystal light valve is located in monitoring camera shooting direction, is configured to according to processing
The control instruction of device switches display state, and the display state includes at least frosted state and two kinds of pellucidity.
In conjunction with Fig. 2, PSCT light valve is had the property that
In the energized state, for the light of the visible light region of 400nm-760nm, its transmitance is very high, does not influence normal
Video monitoring.
In the power-off state, very low for the light penetration of the visible light region of 400nm-760nm, it completely obscured can take the photograph
As the viewable pictures of head, but at this time, it is still very high for the transmitance of the near infrared region of 760nm-1200nm.
Using this characteristic of PSCT light valve, the utility model proposes, PSCT light valve is mounted in front of monitoring camera,
When PSCT light valve is in energized state, the transparent state of PSCT light valve, monitoring camera is capable of captured in real-time monitoring area
Real screen, and fire can also be monitored at this time；In the case where being not intended to monitored viewable pictures, by PSCT light
For Vavle switching at off-position, PSCT light valve is in frosted state, it is seen that light is difficult to reach monitoring camera across PSCT light valve, quite
It is blocked in monitoring camera, plays the role of secret protection, but at this time if there is fire occurs, still have a large amount of close red
The light of exterior domain passes through PSCT light valve and reaches at monitoring camera, will appear apparent bright spot in monitored picture, to send out
Alarm out.
Switch speed of the PSCT light valve between two kinds of display states is exceedingly fast, and in millisecond rank, user can be according to reality
Border needs to be switched fast monitor state.
The video image that an image processing software is equipped in the processor to shoot to monitoring camera carries out real-time
Analysis is analyzed the viewable pictures of monitoring camera shooting, at PSCT light valve when PSCT light valve is in energized state
When off-position, the bright spot distribution situation on the picture of monitoring camera shooting is analyzed.
The temperature sensor is electrically connected with processor, the temperature being configured at real-time detection fire-disaster monitoring device, and
The temperature detected is sent to processor.
The temperature that the processor is configured to detect in response to temperature sensor is more than set temperature threshold value, sends and closes
Instruction adjusts motor output shaft revolving speed to motor, and drive transmission device moves so that box cover rotates up to enclosed box body, it is ensured that
Device safety, the especially safety of data storage in protection box, are tracked convenient for subsequent accident.
In further embodiment, the transmission mechanism, motor are arranged in protection box.
In further embodiment, the transmission mechanism include hauling rope, toothed belt, in screw rod any one or it is more
Kind combination.
In further embodiment, the protection box is made of waterproof, fire prevention material, makes it not by influence of fire.
In further embodiment, the polymer stabilized cholesteric phase liquid crystal light valve includes:
Between each other with a pair of substrates in gap；
A pair of electrodes, one of electrode setting is on a substrate；
And it is clipped in the polymer stabilized cholesteric phase liquid crystal in the gap between the substrate；
Light valve control unit；
Wherein, substrate is transparent material, and the electrode is electrically coupled to light valve control unit, and light valve control unit is electrically coupled
To processor.
In further embodiment, a kind of fire-disaster monitoring device with liquid crystal light valve has a state instruction list
Member.
The state indication unit is electrically connected with processor, to indicate the display state of PSCT light valve.For example, using referring to
Showing lamp as state indication unit, when PSCT light valve is in energized state, indicator light is bright, when PSCT light valve is in off-position,
Indicator light extinguishes.
In further embodiment, the fire-disaster monitoring device includes reserve battery, when fire-disaster monitoring device because of fire
Or after other factors lead to power-off, powered using reserve battery, fire-disaster monitoring device is made to can continue to work for a period of time, remembered
Record the scene of the accident.
In further embodiment, the fire-disaster monitoring device includes cooling water unit.
The cooling water unit includes water tank, water pump, cooling water pipeline.
On the outside of the cooling water pipeline surrounding housing comprising inlet and outlet, water inlet are connected to by water pump
Water tank.When fire occurs, monitoring area temperature is increased, will using water pump in order to guarantee the normal work of fire-disaster monitoring device
Cooling water is extracted from water tank to cooling water pipeline, and cooling water is flowed along pipeline, reduces the temperature of fire-disaster monitoring device.
Preferably, the water outlet is connected to one spray head of water tank or connection.It is cooling if water outlet is connected to water tank
Water is reusable, if water outlet is connected to a spray head, can reduce fire by spraying cooling water and burn out fire hazard monitoring dress
The risk set.
By above the technical solution of the utility model, compared with existing, significant beneficial effect is:
1) by the way that polymer stabilized cholesteric phase liquid crystal light valve is arranged in monitoring camera shooting direction, pass through switchable liquid crystal
The display state of light valve realizes the change of shooting state under the premise of not influencing fire hazard monitoring.
2) fire behavior is monitored by using temperature sensor, when fire behavior is more serious, closes protection box, it is ensured that number
According to memory-safe, in order to the tracking of subsequent accident.
3) temperature is reduced using cooling water unit, fire-disaster monitoring device is made to maintain normal operating conditions.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived described in greater detail below are at this
It can be viewed as a part of the utility model theme of the disclosure in the case that the design of sample is not conflicting.In addition, being wanted
All combinations of the theme of protection are asked to be considered as a part of the utility model theme of the disclosure.
The foregoing and other side of the utility model introduction can be more fully appreciated from the following description in conjunction with attached drawing
Face, embodiment and feature.The features and/or benefits of other additional aspects such as illustrative embodiments of the utility model
To be obvious in the following description, or will be learnt in the practice by the specific embodiment instructed according to the utility model.
Detailed description of the invention
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or nearly identical group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, by by example and be described in reference to the drawings the utility model various aspects embodiment, in which:
Fig. 1 is a kind of structural schematic diagram of fire-disaster monitoring device with liquid crystal light valve of the utility model.
Fig. 2 is the light penetration schematic diagram of the PSCT light valve of the utility model.
Specific embodiment
In order to know more about the technology contents of the utility model, spy lifts specific embodiment and institute's accompanying drawings is cooperated to be described as follows.
In conjunction with Fig. 1, the utility model refers to a kind of fire-disaster monitoring device with liquid crystal light valve, the fire-disaster monitoring device
Including monitoring camera 10, polymer stabilized cholesteric phase liquid crystal light valve 20, temperature sensor 50, data storage 40, processor
30, protection box.
The monitoring camera 10, polymer stabilized cholesteric phase liquid crystal light valve 20, data storage 40, processor 30 are installed
In protection box.
The monitoring camera 10, polymer stabilized cholesteric phase liquid crystal light valve 20, temperature sensor 50, data storage 40
It is electrically connected respectively with processor 30.
The protection box includes box body, box cover 53, transmission mechanism 52, motor 51, and the box cover 53 passes through transmission mechanism 52
With the output axis connection of motor 51.
For the box body towards specifying the side in region to be provided with the first opening, polymer stabilized cholesteric phase liquid crystal light valve 20 is embedding
In the first opening, monitoring camera 10 is mounted on side of the polymer stabilized cholesteric phase liquid crystal light valve 20 far from the first opening,
The box cover 53 is arranged in the first open outer side, is rotatably connected on box body.
The monitoring camera 10 specifies the video image in region to captured in real-time one, and by the video image of shooting
It is sent to processor 30.
The processor 30 is by the video image storage received to data storage 40.
The polymer stabilized cholesteric phase liquid crystal light valve 20 is located in 10 shooting direction of monitoring camera, is configured to basis
The control instruction of processor 30 switches display state, and the display state includes at least frosted state and two kinds of pellucidity.
The temperature sensor 50 is electrically connected with processor 30, the temperature being configured at real-time detection fire-disaster monitoring device
Degree, and the temperature detected is sent to processor 30.
The temperature that the processor 30 is configured to detect in response to temperature sensor 50 is more than set temperature threshold value, is sent
Out code adjusts 51 output shaft revolving speed of motor to motor 51, and drive transmission device 52 moves so that box cover 53 rotates up to envelope
Close box body, it is ensured that device safety, the especially safety of data storage 40 in protection box are tracked convenient for subsequent accident.
Preferably, the transmission mechanism 52 includes hauling rope, toothed belt, any one or multiple combinations in screw rod.
Such as one end of hauling rope is connected on box cover 53, motor 51 pull hauling rope the other end, make hauling rope drive box cover 53 to
Box body direction rotation, with enclosed box body.The working principle of other transmission mechanisms 52 is similar to hauling rope.More preferred, the biography
Motivation structure 52, motor 51 are arranged in protection box, reduce its risk destroyed by fire.
The protection box is made of waterproof, fire prevention material, is made it not by influence of fire, is protected device peace in protection box
Entirely.
Although the utility model has been disclosed with preferred embodiment as above, so it is not intended to limit the utility model.This reality
It is without departing from the spirit and scope of the utility model, each when that can make with novel those of ordinary skill in the art
Kind changes and retouches.Therefore, the protection scope of the utility model is subject to view those as defined in claim.
Claims (9)
1. a kind of fire-disaster monitoring device with liquid crystal light valve, which is characterized in that the fire-disaster monitoring device includes monitoring camera
Head, polymer stabilized cholesteric phase liquid crystal light valve, temperature sensor, data storage, processor, protection box；
The monitoring camera, polymer stabilized cholesteric phase liquid crystal light valve, data storage, processor are mounted in protection box；
The monitoring camera, polymer stabilized cholesteric phase liquid crystal light valve, temperature sensor, data storage respectively with processor
Electrical connection；
The protection box includes box body, box cover, transmission mechanism, motor, and the box cover passes through the output shaft of transmission mechanism and motor
Connection；
For the box body towards specifying the side in region to be provided with the first opening, polymer stabilized cholesteric phase liquid crystal light valve is embedded in first
In opening, monitoring camera is mounted on side of the polymer stabilized cholesteric phase liquid crystal light valve far from the first opening, and the box cover is set
It sets in the first open outer side, is rotatably connected on box body；
The monitoring camera specifies the video image in region to captured in real-time one, and the video image of shooting is sent to
Processor；
The processor is by the video image storage received to data storage；
The polymer stabilized cholesteric phase liquid crystal light valve is located in monitoring camera shooting direction, is configured to according to processor
Control instruction switches display state, and the display state includes at least frosted state and two kinds of pellucidity；
The temperature sensor is electrically connected with processor, the temperature being configured at real-time detection fire-disaster monitoring device, and will be visited
The temperature measured is sent to processor；
The temperature that the processor is configured to detect in response to temperature sensor is more than set temperature threshold value, sends out code
To motor to adjust motor output shaft revolving speed, drive transmission device is moved so that box cover rotates up to enclosed box body.
2. the fire-disaster monitoring device according to claim 1 with liquid crystal light valve, which is characterized in that the polymer stabilizing
Cholesteric liquid crystal light valve includes:
Between each other with a pair of substrates in gap；
A pair of electrodes, one of electrode setting is on a substrate；
And it is clipped in the polymer stabilized cholesteric phase liquid crystal in the gap between the substrate；
Light valve control unit；
Wherein, substrate is transparent material, and the electrode is electrically coupled to light valve control unit, and light valve control unit is electrically coupled to place
Manage device.
3. the fire-disaster monitoring device according to claim 1 with liquid crystal light valve, which is characterized in that described a kind of with liquid
The fire-disaster monitoring device of brilliant light valve has a state indication unit；
The state indication unit is electrically connected with processor.
4. the fire-disaster monitoring device according to claim 1 with liquid crystal light valve, which is characterized in that the fire hazard monitoring dress
It sets including reserve battery.
5. the fire-disaster monitoring device according to claim 1 with liquid crystal light valve, which is characterized in that the transmission mechanism,
Motor is arranged in protection box.
6. having the fire-disaster monitoring device of liquid crystal light valve according to claim 1 or described in 5, which is characterized in that the transmission
Mechanism includes hauling rope, toothed belt, any one or multiple combinations in screw rod.
7. the fire-disaster monitoring device according to claim 1 with liquid crystal light valve, which is characterized in that the protection box uses
Waterproof, fire prevention material are made.
8. the fire-disaster monitoring device according to claim 1 with liquid crystal light valve, which is characterized in that the fire hazard monitoring dress
It sets including cooling water unit；
The cooling water unit includes water tank, water pump, cooling water pipeline；
On the outside of the cooling water pipeline surrounding housing comprising inlet and outlet, water inlet are connected to water tank by water pump.
9. the fire-disaster monitoring device according to claim 8 with liquid crystal light valve, which is characterized in that the water outlet connection
To one spray head of water tank or connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247552.0U CN209417884U (en) | 2019-02-26 | 2019-02-26 | Fire-disaster monitoring device with liquid crystal light valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247552.0U CN209417884U (en) | 2019-02-26 | 2019-02-26 | Fire-disaster monitoring device with liquid crystal light valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209417884U true CN209417884U (en) | 2019-09-20 |
Family
ID=67944965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920247552.0U Expired - Fee Related CN209417884U (en) | 2019-02-26 | 2019-02-26 | Fire-disaster monitoring device with liquid crystal light valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209417884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112203048A (en) * | 2020-09-30 | 2021-01-08 | 重庆天智慧启科技有限公司 | Intelligent security monitoring system |
-
2019
- 2019-02-26 CN CN201920247552.0U patent/CN209417884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112203048A (en) * | 2020-09-30 | 2021-01-08 | 重庆天智慧启科技有限公司 | Intelligent security monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |