CN218489592U

CN218489592U - Unmanned patrol vehicle for city management

Info

Publication number: CN218489592U
Application number: CN202222682859.8U
Authority: CN
Inventors: 蒋鹏
Original assignee: Guangdong Qintian Technology Co ltd
Current assignee: Guangdong Qintian Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-02-17
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses an unmanned patrol car with urban management, aiming at the problem that the position of a camera is not easy to adjust after the existing fixed connection, so that the patrol visual angle of the camera is fixed, the patrol area is limited, the adjustment can not be carried out according to the actual patrol scene, and the applicability is poor, the following scheme is proposed, which comprises a patrol car body; the fixing frame is arranged on the upper side of the cruiser body; the top end of the cruiser body is fixedly connected with an installation platform, and the swing mechanism is arranged between the installation platform and the fixed frame and used for adjusting the angle of the fixed frame; the camera body is arranged on one side of the fixing frame and used for patrolling; can adjust according to real-time training scene, the suitability is high.

Description

Unmanned patrol vehicle for city management

Technical Field

The utility model relates to a cruiser technical field especially relates to unmanned city management cruiser.

Background

The urban management patrol car is a car specially designed and developed for urban managers, and the urban management patrol car is more four-wheel steering wheel type electric patrol cars used in the market, can take 2-8 people, and is provided with a warning lamp, a whistle and a shouting device. The vehicles can be roughly classified into open gate patrol cars, patrol cars and patrol minivans, along with the gradual maturity of unmanned technology and the increasing unmanned demand of people, the number of unmanned patrol cars is more and more, and the patrol cars can effectively replace manpower drive patrol cars to patrol and police.

Unmanned patrol car is mostly gone to realize the function of control patrol through leading camera, and the camera among the prior art passes through bolt fixed connection with patrol car is mostly, and the installation is dismantled comparatively loaded down with trivial details, and the camera passes through the difficult regulation in position of bolt and patrol car fixed connection back camera simultaneously to the visual angle that leads to the camera to patrol is fixed, and the patrol area is limited, can't adjust according to the scene of actually patrolling, and the suitability is relatively poor. To the problem, the utility model provides an unmanned city management cruiser.

SUMMERY OF THE UTILITY MODEL

The utility model provides an unmanned city management cruiser has solved the position that has camera behind the fixed connection among the prior art and is difficult for adjusting to the visual angle that leads to the camera to patrol is fixed, and it is regional limited to patrol, can't adjust according to the scene of actually patrolling, the relatively poor shortcoming of suitability.

The utility model provides a following technical scheme: the unmanned patrol car for the urban management comprises a patrol car body; the fixing frame is arranged on the upper side of the patrol car body; the top end of the cruiser body is fixedly connected with an installation table, and the swing mechanism is arranged between the installation table and the fixing frame and used for adjusting the angle of the fixing frame; the camera body is arranged on one side of the fixing frame and used for patrolling; the clamping mechanism is arranged between the camera main body and the fixing frame and used for connecting the camera main body and the fixing frame; the angle adjusting mechanism is arranged on one side of the camera body and used for adjusting the angle of the camera body in patrol.

In a possible design, the swing mechanism includes the first recess of seting up in the mount table, the first recess internal rotation is connected with first pivot, the circumference fixed surface of first pivot is connected with the second bull stick, the first recess internal rotation is connected with first bull stick, the first slider of top fixedly connected with of first bull stick, first spout has been seted up in the second bull stick, first slider sliding connection is in first spout, the first driving motor of fixedly connected with in the first recess, first driving motor is connected through shaft coupling and first bull stick, the side that the mount table was upwards run through in the activity of first bull stick and upwards extend, mount fixed connection is in the top of first pivot.

In a possible design, the clamping mechanism includes a second groove disposed in the fixing frame, two first limiting rods are fixedly connected in the second groove, a positioning plate is slidably connected to a circumferential surface of the two first limiting rods, two positioning springs are fixedly connected to side ends of the positioning plate, side ends of the two positioning springs are fixedly connected in the second groove, the two positioning springs are respectively sleeved on the circumferential surface of the two first limiting rods, a pull rod is fixedly connected to one end of the positioning plate, the pull rod is movably inserted through a side end of the fixing frame and extends outward, four positioning rods are fixedly connected to side ends of the positioning plate, an i-shaped matching groove is formed in the fixing frame, an i-shaped matching block matched with the i-shaped matching groove is slidably connected in the i-shaped matching groove, four first positioning grooves are formed in the i-shaped matching block, second positioning grooves respectively matched with the four first positioning grooves are formed in the fixing frame, the four positioning rods are all movably inserted into the i-shaped matching groove, and the four positioning rods are respectively clamped with the four first positioning grooves and the four second positioning grooves.

In one possible design, a hand catch groove is formed in the pull rod.

In a possible design, the angle adjusting mechanism includes a U-shaped frame fixedly connected to a side end of the i-shaped matching block, a second rotating shaft is rotatably connected to the U-shaped frame, a third rotating rod is fixedly connected to a circumferential surface of the second rotating shaft, the camera body is fixedly connected to a side end of the third rotating rod, a second sliding groove is formed in the third rotating rod, a second sliding block is slidably connected to the second sliding groove, a third groove is formed in the U-shaped frame, a driving lead screw is rotatably connected to the third groove, a threaded block is connected to a circumferential surface of the driving lead screw in a threaded manner, the second sliding block is fixedly connected to a side end of the threaded block, a second driving motor is fixedly connected to a side end of the U-shaped frame, and the second driving motor is connected to the driving lead screw through a coupler.

In one possible design, the top end of the patrol car body is fixedly connected with an alarm lamp.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

In the utility model, fingers are put into the buckle groove, the pull rod is pulled outwards, the positioning plate can be driven to extrude the positioning spring, the four positioning rods are driven to leave the four second positioning grooves simultaneously, then the I-shaped matching block is aligned with the I-shaped matching groove and inserted, the four second positioning grooves are matched with the four first positioning grooves, after the pull rod is loosened, the positioning plate is pushed to reset by the elasticity of the positioning spring, the positioning plate drives the four positioning rods to be respectively inserted into the four first positioning grooves and the four second positioning grooves, and the position of the I-shaped matching block is fixed;

the utility model discloses in, can remove to start second driving motor according to actual scene simultaneously, second driving motor rotates and drives the drive lead screw and rotate, and the drive lead screw rotates and drives the screw thread piece and go up the activity and descend, and the screw thread piece carries out the position adjustment from top to bottom and can drive the second slider and carry out synchronous reciprocating, slides in the second spout when the second slider removes to can drive the third bull stick and carry out the relative motion with the second pivot as the central point, thereby realize the adjustment of camera main part pitch angle;

the utility model discloses in, this device utilizes swing mechanism to drive the mount and carries out reciprocal swing, thereby the camera main part that drive and mount are connected carries out reciprocal swing, thereby extend the training visual angle of camera main part, connect through joint mechanism between camera main part and the mount simultaneously, compare and connect through the bolt among the prior art, can be more swift install and dismantle, and the every single move angle of still accessible angle adjustment mechanism adjustment self of camera main part behind the fixed position, can adjust according to real-time training scene, high applicability.

Drawings

Fig. 1 is a front perspective view of an unmanned patrol car for city management provided by an embodiment of the present invention;

fig. 2 is a first partial perspective view of the unmanned patrol car according to the embodiment of the present invention;

fig. 3 is a partial explosion diagram of the unmanned patrol car according to the embodiment of the present invention;

fig. 4 is a first partial sectional view of an unmanned patrol car according to an embodiment of the present invention;

fig. 5 is a second partial cross-sectional view of the unmanned patrol car according to the embodiment of the present invention;

fig. 6 is a third partial sectional view of the unmanned patrol car according to the embodiment of the present invention;

fig. 7 is a second partial perspective view of the unmanned patrol car for city management provided by the embodiment of the present invention.

Reference numerals: 1. a prowl car body; 2. an installation table; 3. a fixed mount; 4. a first rotating shaft; 5. an I-type matching block; 6. a U-shaped frame; 7. an alarm light; 8. a first groove; 9. a first rotating lever; 10. a first slider; 11. a first drive motor; 12. a second rotating rod; 13. an i-shaped mating trough; 14. a first positioning groove; 15. positioning a rod; 16. a second positioning groove; 17. a second groove; 18. a first limit rod; 19. a positioning spring; 20. positioning a plate; 21. a pull rod; 22. a hand buckle slot; 23. a third groove; 24. a thread block; 25. driving the screw rod; 26. a second drive motor; 27. a camera body; 28. a third rotating rod; 29. a second rotating shaft; 30. a second chute; 31. a second slider; 32. a first runner.

Detailed Description

The embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms, "connected" and "mounted" are to be interpreted broadly, unless explicitly stated or limited otherwise, and for example, "connected" may or may not be detachably connected; may be directly connected or indirectly connected through an intermediate. Further, "communication" may be direct communication or indirect communication through an intermediary. Wherein, the term "fixed" means that they are connected to each other and their relative positions are not changed after the connection. Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout, and wherein like reference numerals refer to like elements throughout.

In the embodiments of the present invention, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature.

In the embodiment of the present invention, "and/or" is only one kind of association relationship describing the association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/", herein, generally indicates that the preceding and succeeding objects are in an "or" relationship.

Reference throughout this specification to "one embodiment" or "some embodiments," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1-7, the unmanned patrol car comprises a patrol car body 1; the fixing frame 3 is arranged on the upper side of the cruiser body 1; the top end of the cruiser body 1 is fixedly connected with the mounting table 2, and the swinging mechanism is arranged between the mounting table 2 and the fixing frame 3 and used for adjusting the angle of the fixing frame 3; the camera main body 27, the camera main body 27 is arranged at one side of the fixed frame 3 for patrol; the clamping mechanism is arranged between the camera main body 27 and the fixing frame 3 and is used for connecting the camera main body 27 and the fixing frame 3; the angle adjusting mechanism is arranged on one side of the camera main body 27 and used for adjusting the angle of the camera main body 27 in patrol.

Above-mentioned technical scheme can reach and utilize swing mechanism to drive mount 3 and carry out reciprocal swing, thereby the camera main part 27 that drives and mount 3 and be connected carries out reciprocal swing, thereby extend the training visual angle of camera main part 27, connect through latch mechanism between camera main part 27 and the mount 3 simultaneously, compare and connect through the bolt among the prior art, can install and dismantle by the swift more, and the every single move angle of camera main part 27 still accessible angle adjustment mechanism adjustment self behind the fixed position, can adjust according to real-time training scene, the high technological effect of suitability.

Referring to fig. 2 and 4, the swing mechanism includes first recess 8 of seting up in mount table 2, the internal rotation of first recess 8 is connected with first bull stick 4, the circumference fixed surface of first bull stick 4 is connected with second bull stick 12, the internal rotation of first recess 8 is connected with first bull stick 9, the first slider 10 of top fixedly connected with of first bull stick 9, first spout 32 has been seted up in second bull stick 12, first slider 10 sliding connection is in first spout 32, the first driving motor 11 of fixedly connected with in the first recess 8, first driving motor 11 is connected with first bull stick 9 through the shaft coupling, the side of mount table 2 is run through and upwards extends in the upwards activity of first bull stick 4, mount 3 fixed connection is on the top of first bull stick 4.

Above-mentioned technical scheme can reach and drive first bull stick 9 through starting first driving motor 11 and advance to rotate in the patrol, first bull stick 9 rotates and drives first slider 10 and carry out circular motion, first slider 10 slides in first spout 32 when carrying out circular motion, thereby drive second bull stick 12 and carry out the swing that uses first pivot 4 as the central point, second bull stick 12 can drive first pivot 4 and mount 3 and carry out reciprocating swing, fix the camera main part 27 of mount 3 one side and can swing and widen the technological effect of patrolling the visual angle.

Referring to fig. 3, 5 and 6, the clamping mechanism includes a second groove 17 opened in the fixing frame 3, two first limiting rods 18 are fixedly connected in the second groove 17, a positioning plate 20 is slidably connected to the circumferential surfaces of the two first limiting rods 18, two positioning springs 19 are fixedly connected to the side ends of the positioning plate 20, the side ends of the two positioning springs 19 are fixedly connected in the second groove 17, the two positioning springs 19 are respectively sleeved on the circumferential surfaces of the two first limiting rods 18, a pull rod 21 is fixedly connected to one end of the positioning plate 20, the pull rod 21 is outwardly movably inserted through the side ends of the fixing frame 3 and outwardly extends, four positioning rods 15 are fixedly connected to the side ends of the positioning plate 20, an i-shaped matching groove 13 is formed in the fixing frame 3, an i-shaped matching block 5 matched with the i-shaped matching groove 13 is slidably connected in the i-shaped matching groove 13, four first positioning grooves 14 are formed in the i-shaped matching block 5, second positioning grooves 16 matched with the four first positioning grooves 14 are formed in the fixing frame 3, the four positioning rods 15 are outwardly movably inserted into the i-shaped matching grooves 13, and the four positioning grooves 15 are respectively matched with the four second positioning grooves 14 and four second clamping grooves 16.

According to the technical scheme, fingers are placed in the buckle grooves 22, the pull rod 21 is pulled outwards, the positioning plate 20 can be driven to extrude the positioning springs 19, the four positioning rods 15 are driven to leave the four second positioning grooves 16 simultaneously, the I-shaped matching block 5 is aligned to the I-shaped matching groove 13 and then inserted, the four second positioning grooves 16 are matched with the four first positioning grooves 14, after the pull rod 21 is loosened, the positioning plate 20 is pushed to reset by the aid of elasticity of the positioning springs 19, the positioning plate 20 drives the four positioning rods 15 to be respectively inserted into the four first positioning grooves 14 and the four second positioning grooves 16, and fixing of positions of the I-shaped matching block 5 is achieved.

Referring to fig. 6 and 7, the angle adjusting mechanism includes a U-shaped frame 6,U fixedly connected to the side end of the i-shaped matching block 5, a second rotating shaft 29 is rotatably connected to the frame 6, a third rotating rod 28 is fixedly connected to the circumferential surface of the second rotating shaft 29, a camera main body 27 is fixedly connected to the side end of the third rotating rod 28, a second sliding groove 30 is formed in the third rotating rod 28, a second sliding block 31 is slidably connected to the second sliding groove 30, a third groove 23 is formed in the U-shaped frame 6, a driving screw 25 is rotatably connected to the third groove 23, a threaded block 24 is threadedly connected to the circumferential surface of the driving screw 25, the second sliding block 31 is fixedly connected to the side end of the threaded block 24, a second driving motor 26 is fixedly connected to the side end of the U-shaped frame 6, and the second driving motor 26 is connected to the driving screw 25 through a coupler.

Above-mentioned technical scheme can reach according to actual scene, go to start second driving motor 26, second driving motor 26 rotates and drives drive lead screw 25 and rotate, drive lead screw 25 rotates and drives screw block 24 and go up the activity decline, screw block 24 carries out the position adjustment about can driving second slider 31 and carries out synchronous reciprocating, second slider 31 slides in second spout 30 when removing, thereby can drive third bull stick 28 and carry out the relative motion who uses second pivot 29 as the central point, thereby realize the technological effect of camera main part 27 every single move angle adjustment.

Example 2

Referring to fig. 1-7, the unmanned patrol car comprises a patrol car body 1; the fixing frame 3 is arranged on the upper side of the cruiser body 1; the top end of the cruiser body 1 is fixedly connected with an installation table 2, and the swing mechanism is arranged between the installation table 2 and a fixing frame 3 and used for adjusting the angle of the fixing frame 3; the camera main body 27, the camera main body 27 is arranged at one side of the fixed frame 3 for patrol; the clamping mechanism is arranged between the camera main body 27 and the fixing frame 3 and used for connecting the camera main body 27 and the fixing frame 3; the angle adjusting mechanism is arranged on one side of the camera main body 27 and used for adjusting the angle of the camera main body 27 in patrol.

Above-mentioned technical scheme can reach and utilize swing mechanism to drive mount 3 and carry out reciprocal swing, thereby drive the camera main part 27 of being connected with mount 3 and carry out reciprocal swing, thereby extend the training visual angle of camera main part 27, connect through clamping mechanism between camera main part 27 and the mount 3 simultaneously, compare and connect through the bolt among the prior art, can install and dismantle more swiftly, and the every single move angle of camera main part 27 accessible angle adjustment mechanism adjustment self behind the fixed position, can adjust according to real-time training scene, the high technological effect of suitability.

Above-mentioned technical scheme can reach and drive first bull stick 9 through starting first driving motor 11 and advance to rotate in the patrol, first bull stick 9 rotates and drives first slider 10 and carry out circular motion, first slider 10 slides in first spout 32 when carrying out circular motion, thereby drive second bull stick 12 and carry out the swing that uses first pivot 4 as the central point, second bull stick 12 can drive first pivot 4 and mount 3 and carry out reciprocating motion, fix the camera main part 27 of mount 3 one side and can swing and widen the technological effect of patrolling the visual angle.

Referring to fig. 6, a hand-fastening groove 22 is formed in the pull rod 21.

The technical effect of conveniently pulling the pull rod 21 can be achieved by the technical scheme.

Referring to fig. 1, an alarm lamp 7 is fixedly connected to a top end of the patrol car body 1.

The technical effect that the vehicle is used for warning personnel in patrol to avoid can be achieved by the aid of the technical scheme.

However, as is well known to those skilled in the art, the working principle and wiring method of the warning light 7, the first driving motor 11 and the second driving motor 26 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.

The working principle and the using process of the technical scheme are as follows: the positioning plate 20 can be driven to extrude the positioning spring 19 by putting fingers into the buckle slot 22 and pulling the pull rod 21 outwards, the four positioning rods 15 are driven to leave the four second positioning slots 16, then the I-shaped matching block 5 is aligned with the I-shaped matching slot 13 and inserted, the four second positioning slots 16 are matched with the four first positioning slots 14, after the pull rod 21 is loosened, the positioning plate 20 is pushed to reset by the elasticity of the positioning spring 19, the positioning plate 20 drives the four positioning rods 15 to be respectively inserted into the four first positioning slots 14 and the four second positioning slots 16, so as to fix the positions of the I-shaped matching block 5, the first rotating rod 9 can be driven to rotate by starting the first driving motor 11 in patrol, the first rotating rod 9 rotates to drive the first sliding block 10 to carry out circular motion, and the first sliding block 10 slides in the first sliding slot 32 when carrying out circular motion, thereby drive second bull stick 12 and carry out the swing with first pivot 4 as the central point, second bull stick 12 can drive first pivot 4 and mount 3 and carry out reciprocating swing, fix camera main part 27 of mount 3 one side can swing and widen the inspection visual angle, can be according to actual scene simultaneously, go to start second driving motor 26, second driving motor 26 rotates and drives drive lead screw 25 and rotate, drive lead screw 25 rotates and drives screw block 24 and go up the activity and descend, screw block 24 carries out the position adjustment from top to bottom and can drive second slider 31 and carry out synchronous reciprocating, second slider 31 slides in second spout 30 when removing, thereby can drive third bull stick 28 and carry out the relative motion with second pivot 29 as the central point, thereby realize the adjustment of camera main part 27 every single move angle.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention; without conflict, embodiments of the present invention and features of the embodiments may be combined with each other. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Unmanned city management cruiser, its characterized in that includes:

a patrol car body (1);

the fixing frame (3), the fixing frame (3) is arranged on the upper side of the cruiser body (1);

the top end of the cruiser body (1) is fixedly connected with an installation table (2), and the swing mechanism is arranged between the installation table (2) and the fixed frame (3) and used for adjusting the angle of the fixed frame (3);

the camera body (27), the camera body (27) is arranged on one side of the fixed frame (3) and is used for patrolling;

the clamping mechanism is arranged between the camera main body (27) and the fixing frame (3) and is used for connecting the camera main body (27) and the fixing frame (3);

the angle adjusting mechanism is arranged on one side of the camera main body (27) and used for adjusting the angle of the camera main body (27) in patrol.

2. The patrol car as claimed in claim 1, wherein the swing mechanism comprises a first groove (8) formed in the mounting table (2), a first rotating shaft (4) is rotatably connected in the first groove (8), a second rotating rod (12) is fixedly connected to the circumferential surface of the first rotating shaft (4), a first rotating rod (9) is rotatably connected in the first groove (8), a first sliding block (10) is fixedly connected to the top end of the first rotating rod (9), a first sliding groove (32) is formed in the second rotating rod (12), the first sliding block (10) is slidably connected in the first sliding groove (32), a first driving motor (11) is fixedly connected in the first groove (8), the first driving motor (11) is connected with the first rotating rod (9) through a coupler, the first rotating shaft (4) is movably inserted through the side end of the mounting table (2) and extends upwards, and the fixing frame (3) is fixedly connected to the top end of the first rotating shaft (4).

3. The patrol car for the unmanned city management according to claim 2, wherein the locking mechanism comprises a second groove (17) formed in the fixing frame (3), two first limiting rods (18) are fixedly connected in the second groove (17), a positioning plate (20) is slidably connected to the circumferential surface of the two first limiting rods (18), two positioning springs (19) are fixedly connected to the lateral ends of the positioning plate (20), the lateral ends of the two positioning springs (19) are fixedly connected in the second groove (17), the two positioning springs (19) are respectively sleeved on the circumferential surfaces of the two first limiting rods (18), a pull rod (21) is fixedly connected to one end of the positioning plate (20), the pull rod (21) is movably inserted through the lateral end of the fixing frame (3) and extends outwards, four positioning rods (15) are fixedly connected to the positioning plate (20), an I-shaped matching groove (13) is formed in the fixing frame (3), an I-shaped matching block (5) matched with the I-shaped matching groove (13) is slidably connected in the I-shaped matching groove (13), four I-shaped matching blocks (5) are respectively inserted in the four I-shaped matching grooves (14) and extend into the fourth positioning grooves (14) and are respectively formed in the I-shaped matching grooves (14) and extend into the fixing frame (3), the four positioning rods (15) are respectively clamped with four first positioning grooves (14) and four second positioning grooves (16) which are matched with each other.

4. An unmanned patrol car according to claim 3, wherein a hand-held groove (22) is formed in the pull rod (21).

5. The patrol car according to claim 4, wherein the angle adjusting mechanism comprises a U-shaped frame (6) fixedly connected to the side end of the I-shaped matching block (5), a second rotating shaft (29) is rotatably connected to the U-shaped frame (6), a third rotating rod (28) is fixedly connected to the circumferential surface of the second rotating shaft (29), the camera main body (27) is fixedly connected to the side end of the third rotating rod (28), a second sliding groove (30) is formed in the third rotating rod (28), a second sliding block (31) is slidably connected to the second sliding groove (30), a third groove (23) is formed in the U-shaped frame (6), a driving screw (25) is rotatably connected to the third groove (23), a thread block (24) is screwed to the circumferential surface of the driving screw (25), the second sliding block (31) is fixedly connected to the side end of the thread block (24), a second driving motor (26) is fixedly connected to the side end of the U-shaped frame (6), and the second driving motor (26) is connected to the driving screw (25) through a coupler.

6. An unmanned patrol car as claimed in any one of claims 1 to 5, wherein the top of the patrol car body (1) is fixedly connected with an alarm lamp (7).