CN213751359U - Alarm device - Google Patents
Alarm device Download PDFInfo
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- CN213751359U CN213751359U CN202022432286.4U CN202022432286U CN213751359U CN 213751359 U CN213751359 U CN 213751359U CN 202022432286 U CN202022432286 U CN 202022432286U CN 213751359 U CN213751359 U CN 213751359U
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- connecting rod
- magnetic switch
- outer sleeve
- door magnetic
- alarm device
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Abstract
The utility model relates to an alarm device relates to monitored control system technical field, has solved the camera among the prior art in the time of artificial angle of adjustment, and camera itself does not have any reaction, can only be through security personnel's control could discover unusually, and this has just won the technical problem of crime time for lawless persons. The technical characteristics are that the device comprises a base, wherein the base is fixedly connected with an external wall; the camera is rotationally connected with the base through a connecting rod; the outer sleeve is sleeved on the connecting rod, a door magnetic switch is arranged between the outer sleeve and the connecting rod, and the door magnetic switch is connected with an external alarm device through a wire; the power device drives the connecting rod and the outer sleeve to rotate in the same direction; when the camera is rotated by external force, the connecting rod and the outer sleeve rotate relatively, the door magnetic switch is triggered, and the external alarm device gives an alarm. The alarm device can be triggered once the camera is rotated by an external force, so that the alarm device can give an alarm in time, and the criminal can not be left with crime time.
Description
Technical Field
The utility model relates to a monitored control system technical field, in particular to alarm device.
Background
The remote monitoring camera mainly divides a common version, an enhanced version and an outdoor version, can rotate and monitor at the left and right angles of 320 degrees and the upper and lower 60 degrees, takes pictures and records the pictures, and can send the pictures and the records to a mailbox or an FTP server, and the camera has a mobile detection function and can set and send an email warning and the like. The most fundamental place of the network person remote monitoring camera and the traditional camera is that the network person remote monitoring camera can remotely monitor the place which the user wants to monitor in any corner of the world without wiring and large-area hardware assistance and only one network cable.
The remote monitoring camera is widely used by families and communities at present for ensuring public security of a community, but some lawbreakers can also utilize monitoring dead angles to adjust the position of the camera, and adjust the camera to a certain angle so as to facilitate the crime of the lawbreakers, namely, the existing camera does not have any reaction when the angle is adjusted manually, and can only find the abnormality through the monitoring of security personnel, so that the lawbreakers win the crime time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the camera among the prior art when the angle of adjustment is artificial, camera itself does not have any reaction, can only just can discover unusually through security personnel's control, and this just wins the technical problem of crime time for lawless persons, provides an alarm device.
In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:
an alarm device comprising:
the base is fixedly connected with the external wall;
the camera is rotationally connected with the base through a connecting rod;
the outer sleeve is sleeved on the connecting rod, a door magnetic switch is arranged between the outer sleeve and the connecting rod, and the door magnetic switch is connected with an external alarm device through a wire;
the power device drives the connecting rod and the outer sleeve to rotate in the same direction;
when the camera is rotated by external force, the connecting rod and the outer sleeve rotate relatively, the door magnetic switch is triggered, and the external alarm device gives an alarm.
Furthermore, a first annular groove is formed in the circumferential side of the upper part of the connecting rod, a first door magnetic switch is installed in the first annular groove, the outer sleeve is a synchronous belt pulley, a second annular groove is formed in the inner cavity of the outer sleeve, a second door magnetic switch is installed in the second annular communication, the first door magnetic switch is opposite to the second door magnetic switch, and a movement space of the door magnetic switch is formed by the first annular groove and the second annular groove;
when the power device drives the connecting rod and the outer sleeve to rotate together, the first door magnetic switch and the second door magnetic switch move simultaneously.
Further, the power plant includes:
the motor is fixedly connected with the external frame;
the extension bar is fixedly connected with a shaft of the motor, and a key groove is formed in the extension bar;
the first power wheel and the second power wheel are sleeved on the extension rod and have the same appearance size, and the first power wheel and the second power wheel are connected with the extension rod in a key mode;
the second synchronous belt wheel is fixedly connected with the lower part of the connecting rod, and the appearance size of the second synchronous belt wheel is the same as that of the outer sleeve;
the first synchronous belt is sleeved on the outer sleeve and the first power wheel;
and the second synchronous belt is sleeved on the second synchronous belt wheel and the second power wheel.
Furthermore, the power device also comprises a first supporting sleeve and a second supporting sleeve;
the first supporting sleeve is sleeved on the connecting rod and is positioned between the outer sleeve and the second synchronous belt wheel;
the second support sleeve is sleeved on the extension bar and is positioned between the first power wheel and the second power wheel.
The utility model discloses following beneficial effect has:
the utility model discloses an alarm device, through setting up a power device, can make overcoat and connecting rod rotate simultaneously, do not need two power devices to drive overcoat and connecting rod rotation respectively, have saved use cost; meanwhile, the door magnetic switch and the synchronous belt wheel are arranged, and the synchronous belt wheel has certain elasticity, so that the synchronous belt wheel can easily move relative to the synchronous belt, namely, the connecting rod can be easily rotated, once the angle of the camera is rotated by external force, the door magnetic switch can relatively move, the alarm device can be triggered, the alarm can be timely given, and the crime time can not be left for lawbreakers.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of an alarm device of the present invention.
The reference numerals in the figures denote:
1. a base; 2. a second timing pulley; 3. a second synchronous belt; 4. a first support sleeve; 5. a connecting rod; 6. a first synchronization belt; 7. a jacket; 8. a motion space; 9. a camera; 10. a door magnetic switch; 11. a first power wheel; 12. lengthening a rod; 13. a second support sleeve; 14. a second power wheel; 15. an electric motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an alarm device includes:
the base 1 is fixedly connected with an external wall;
the camera 9 is rotatably connected with the base 1 through a connecting rod 5;
the outer sleeve 7 is sleeved on the connecting rod 5, a door magnetic switch 10 is arranged between the outer sleeve 7 and the connecting rod 5, and the door magnetic switch 10 is connected with an external alarm device through a wire;
the power device drives the connecting rod 5 and the outer sleeve 7 to rotate together in the same direction;
when the camera 9 is rotated by external force, the connecting rod 5 and the outer sleeve 7 rotate relatively, the door magnetic switch 10 is triggered, and the external alarm device gives an alarm.
The working principle is as follows: under the normal condition, drive connecting rod 5, camera 9 and overcoat 7 common syntropy by power device and rotate, make camera 9 can monitor certain scope, in case there is external force to rotate the angle of camera, door magnetic switch just has relative removal, will trigger alarm device, can in time report to the police, can not leave the crime time for lawless persons.
A first annular groove is formed in the circumferential side of the upper portion of the connecting rod 5, a first door magnetic switch is installed in the first annular groove, the outer sleeve 7 is a synchronous belt pulley, a second annular groove is formed in the inner cavity of the outer sleeve 7, a second door magnetic switch is installed in the second annular communication, the first door magnetic switch is opposite to the second door magnetic switch, and a movement space 8 of the door magnetic switch 10 is formed by the first annular groove and the second annular groove;
when the power device drives the connecting rod 5 and the outer sleeve 7 to rotate together, the first door magnetic switch and the second door magnetic switch move simultaneously.
The working principle is as follows: under normal conditions, when the power device drives the connecting rod 5 and the outer sleeve 7 to rotate together, the first door magnetic switch and the second door magnetic switch move simultaneously, once an external force acts on the connecting rod 5 and the outer sleeve 7, the connecting rod 5 and the outer sleeve 7 can rotate relatively, so that the first door magnetic switch and the second door magnetic switch can be separated from contact due to relative movement, and the alarm device is triggered; the movement space 8 of the door magnetic switch 10 is arranged, so that the first door magnetic switch and the second door magnetic switch can be guaranteed to have a space of relative movement, the first door magnetic switch and the second door magnetic switch can not collide with the outer wall of the connecting rod 5 or the outer sleeve 7 in relative movement, the door magnetic switch 10 is prevented from being damaged, and the follow-up normal use of the door magnetic switch 10 is guaranteed.
The power device comprises:
the motor 15, the motor 15 is fixedly connected with external frame;
an extension bar 12 fixedly connected with the shaft of the motor 15, wherein the extension bar 12 is provided with a key slot;
the first power wheel 11 and the second power wheel 14 which are sleeved on the extension bar 12 and have the same appearance size, and the first power wheel 11 and the second power wheel 14 are connected with the extension bar 12 in a key mode;
the second synchronous belt wheel 2 is fixedly connected with the lower part of the connecting rod 5, and the appearance sizes of the second synchronous belt wheel 2 and the outer sleeve 7 are the same;
the first synchronous belt 6 is sleeved on the outer sleeve 7 and the first power wheel 11;
and the second synchronous belt 3 is sleeved on the second synchronous belt wheel 2 and the second power wheel 14.
The working principle is as follows: as shown in fig. 1, the connecting rod 5 and the outer sleeve 7 can be driven to rotate together by arranging the motor 15 and the extension bar 12, so that the manufacturing and using cost is saved; meanwhile, the width of the first synchronous belt 6 is smaller than that of the second synchronous belt 3, and the synchronous belts have certain elasticity, so that the first synchronous belt 6 and the outer sleeve 7 can slide relatively easily under the action of external force, commonly called slipping, the synchronous belt wheels can easily move relative to the synchronous belts, namely the connecting rods 5 can be easily rotated, once the camera 9 rotates at an angle by the external force, the door magnetic switches 10 can move relatively, the alarm device can be triggered, an alarm can be given in time, and the crime time can not be left for lawless persons.
The power device also comprises a first supporting sleeve 4 and a second supporting sleeve 13;
the first supporting sleeve 4 is sleeved on the connecting rod 5 and is positioned between the outer sleeve 7 and the second synchronous belt wheel 2;
the second support sleeve 13 is sleeved on the extension bar 12 and is positioned between the first power wheel 11 and the second power wheel 14.
The working principle is as follows: in order to ensure the relative positions between the outer sleeve 7 and the second synchronous belt wheel 2 and between the first power wheel 11 and the second power wheel 14, the first supporting sleeve 4 and the second supporting sleeve 13 are arranged, so that the first synchronous belt 6 and the second synchronous belt 3 can complete normal transmission work while the relative positions between the outer sleeve 7 and the second synchronous belt wheel 2 and between the first power wheel 11 and the second power wheel 14 are ensured.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (4)
1. An alarm device, comprising:
the base (1), the said base (1) is fixedly connected with exterior wall;
a camera (9) is rotatably connected with the base (1) through a connecting rod (5);
the door magnetic switch is characterized by comprising an outer sleeve (7), wherein the outer sleeve (7) is sleeved on the connecting rod (5), a door magnetic switch (10) is arranged between the outer sleeve (7) and the connecting rod (5), and the door magnetic switch (10) is connected with an external alarm device through a wire;
the power device drives the connecting rod (5) and the outer sleeve (7) to rotate in the same direction together;
when the camera (9) is rotated by external force, the connecting rod (5) and the outer sleeve (7) rotate relatively, the door magnetic switch (10) is triggered, and the external alarm device gives an alarm.
2. The alarm device according to claim 1, wherein a first annular groove is formed in the circumferential side of the upper portion of the connecting rod (5), a first door magnetic switch is installed in the first annular groove, the outer sleeve (7) is a synchronous pulley, a second annular groove is formed in the inner cavity of the outer sleeve (7), a second door magnetic switch is installed in the second annular communication, the first door magnetic switch is opposite to the second door magnetic switch, and the first annular groove and the second annular groove form a movement space (8) of the door magnetic switch (10);
when the power device drives the connecting rod and the outer sleeve to rotate together, the first door magnetic switch and the second door magnetic switch move simultaneously.
3. A warning unit as claimed in claim 1, wherein said power means comprises:
the motor (15), the said motor (15) is fixedly connected with outer frame;
the extension bar (12) is fixedly connected with a shaft of the motor (15), and a key groove is formed in the extension bar (12);
the first power wheel (11) and the second power wheel (14) which are sleeved on the extension bar (12) and have the same external dimension are connected with the extension bar (12) in a key mode, and the first power wheel (11) and the second power wheel (14) are connected with the extension bar (12) in a key mode;
the second synchronous pulley (2) is fixedly connected with the lower part of the connecting rod (5), and the outer dimensions of the second synchronous pulley (2) and the outer sleeve (7) are the same;
the first synchronous belt (6) is sleeved on the outer sleeve (7) and the first power wheel (11);
and the second synchronous belt (3) is sleeved on the second synchronous belt wheel (2) and the second power wheel (14).
4. A warning unit as claimed in claim 3, characterised in that said power unit further comprises a first support sleeve (4) and a second support sleeve (13);
the first supporting sleeve (4) is sleeved on the connecting rod (5) and is positioned between the outer sleeve (7) and the second synchronous belt wheel (2);
the second support sleeve (13) is sleeved on the extension bar (12) and is positioned between the first power wheel (11) and the second power wheel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432286.4U CN213751359U (en) | 2020-10-27 | 2020-10-27 | Alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432286.4U CN213751359U (en) | 2020-10-27 | 2020-10-27 | Alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213751359U true CN213751359U (en) | 2021-07-20 |
Family
ID=76854777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022432286.4U Active CN213751359U (en) | 2020-10-27 | 2020-10-27 | Alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213751359U (en) |
-
2020
- 2020-10-27 CN CN202022432286.4U patent/CN213751359U/en active Active
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