Fire scene exploration ruins and remaining fire extinguishing device
By designing the fire site exploration and residual fire extinguishing device, using infrared thermal imager and ruin lifting mechanism, the problems of hidden dangers of dark fire and heat source after the fire are solved, and automated ruin exploration and residual fire extinguishing are realized, improving fire protection efficiency and safety.
Patent Information
- Application Number
- CN202421039355.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-14
AI Technical Summary
After the fire, there may be hidden fires and hidden heat sources that cannot be seen clearly by the naked eye, and there are hidden dangers of secondary fire accidents. Firefighters need to manually turn over the ruins for investigation, which is exhausting.
A fire site investigation and residual fire extinguishing device was designed, including supporting mobile mechanisms, ruin lifting mechanisms, survey mechanisms and residual fire extinguishing mechanisms. The infrared thermal imager was used to investigate whether there was any residual fire. The ruins were lifted to a high place by using the ruins lifting mechanism. The residual fire extinguishing mechanism sprayed water from both the upper and lower directions to extinguish the residual fire.
It effectively avoids the occurrence of secondary fire accidents, reduces the physical energy consumption of firefighters, and facilitates firefighters to investigate the fire scene, turn over the ruins and extinguish fires.
Smart Images

Figure CN222657658U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a device for investigating ruins at a fire scene and extinguishing residual fire. Background Art
[0002] After the fire is extinguished by firefighters, they still need to investigate the fire scene. After a fire occurs, corresponding burning ruins will be produced. Sometimes, in order to have a clearer understanding of the fire process and to find the source of the fire, it is necessary to turn over the ruins and check for signs of burning under the ruins. In addition, dark fires that cannot be clearly seen by the naked eye may appear in the later stages of the fire. There are hidden heat sources in the burning ruins, which pose certain hidden dangers and may cause secondary fire accidents. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a device for investigating ruins at a fire scene and extinguishing residual fire.
[0004] The technical solution adopted by the utility model is as follows:
[0005] A device for investigating ruins and extinguishing residual fire at a fire scene comprises: a supporting and moving mechanism; a ruins lifting mechanism, wherein the ruins lifting mechanism is fixedly mounted on the supporting and moving mechanism; an investigating mechanism, wherein the investigating mechanism is mounted on the ruins lifting mechanism and is used to investigate whether residual fire exists in the ruins; and a residual fire extinguishing mechanism, wherein the residual fire extinguishing mechanism is provided with two water spraying ends, wherein the two water spraying ends are respectively located at the upper and lower ends of the ruins lifting mechanism, wherein the ruins lifting mechanism lifts the ruins upwards, and the two water spraying ends of the residual fire extinguishing mechanism extinguish the residual fire from the upper and lower directions respectively.
[0006] The supporting and moving mechanism comprises an electric cart, which comprises a body, one end of which is provided with a push handle, and the ruins lifting mechanism is fixedly mounted on one end of the body away from the push handle.
[0007] The ruins lifting mechanism includes: a U-shaped frame, which is fixedly installed on the vehicle body with its opening facing downward; a motor, which is fixedly installed on the top of the U-shaped frame; a screw, the top of which is fixedly connected to the output end of the motor, and the bottom of which is rotatably mounted with a bearing seat, and the bearing seat is fixedly installed on the vehicle body; a guide rod, which is provided with two guide rods, and the two ends of the guide rods are respectively fixedly connected to the vehicle body and the U-shaped frame; and a lifting assembly, which is threadedly connected to the screw, and the two ends of the lifting assembly slide up and down along the inner wall of the U-shaped frame.
[0008] The lifting assembly includes: a slide plate, which is threadedly connected to the screw rod, and sliders are provided at both ends of the slide plate, and sliding grooves corresponding to the sliders are opened on the inner walls of both sides of the U-shaped frame, and the guide rod passes through the slide plate, and the slide plate can slide up and down along the guide rod; a support plate, and the support plate is vertically fixedly connected to the slide plate; a lifting unit, which is rotatably installed on the side of the support plate away from the slide plate. The lifting unit includes a connecting plate and a lifting frame, and connecting seats are symmetrically fixedly installed on the support plate, and a connecting rod is fixedly installed between the two connecting seats, and connecting rings are fixedly installed at equal intervals on the top of the connecting plate, and the connecting plate is rotatably connected to the connecting rod through the connecting ring, and the lifting frame and the lifting frame are longitudinally and transversely connected to form a mesh structure by transverse plates and longitudinal plates.
[0009] The support plate and the connection plate are provided with corresponding fixing holes, and bolts or locking pins are installed in the fixing holes.
[0010] The surveying mechanism is provided with two, and the two surveying mechanisms are symmetrically installed on both sides of the top of the U-shaped frame. The surveying mechanism comprises a pan-tilt platform, and the pan-tilt platform is fixedly installed on the U-shaped frame, and an infrared thermal imager is installed on the pan-tilt platform.
[0011] The residual fire extinguishing mechanism includes: a water tank, which is installed on the vehicle body and is provided with a water replenishing port; a water pump, which is installed on the vehicle body, the input end of the water pump is connected to the water tank, and the output end of the water pump is installed with a three-way joint 1; a water spray assembly, which includes a water spray unit, a support unit 1 and a support unit 2, the support unit 1 is fixedly installed on the top of the U-shaped frame and distributed on both sides of the motor, and the support unit 2 is fixedly installed on the outer walls on both sides of the bottom of the U-shaped frame, and two water spray units are provided, one end of the two water spray units is respectively connected to the two ports of the three-way joint 1, and the other ends of the two water spray units are respectively installed on the support unit 1 and the support unit 2.
[0012] The water spray unit includes a water pipe 1, one end of which is connected to the three-way joint 1, the other end of which is installed with a three-way joint 2, the two ports of the three-way joint 2 are respectively connected to the water pipe 2, and the end of the water pipe 2 away from the three-way joint 2 is connected to a water spray gun.
[0013] The support unit 1 includes a support rod 1, a fixing ring 1 is installed between the two support rods 1 through a damping shaft, and the water spray gun is installed in the fixing ring 1; the support unit 2 includes a support rod 2, one end of the support rod 2 is fixedly connected to the U-shaped frame, the other end of the support rod 2 is provided with a through hole, a support rod 3 is slidably connected in the through hole, a fixing ring 2 is installed on the top of the support rod 3, the water spray gun is installed in the fixing ring, a screw hole is provided on the support rod 2, the screw hole is connected to the through hole, a fastening bolt is installed in the screw hole, and the support rod 3 is fixed to the support rod by the fastening bolt.
[0014] A control box is installed on the push handle, and a controller is installed in the control box. A display screen and a control switch are also installed on the control box. The display screen and the control switch are electrically connected to the controller, and the water pump and the infrared thermal imager are electrically connected to the controller. A power supply module is also installed on the vehicle body, and the power supply module is electrically connected to the controller. The power supply module is also used to supply power to the electric cart.
[0015] Beneficial effects of the utility model:
[0016] The utility model discloses a device for investigating ruins and extinguishing residual fire at a fire scene, and uses an infrared thermal imager to investigate the fire situation. When residual fire or the like is found, the ruins are lifted to a high place by a ruin lifting mechanism, and then the residual fire extinguishing mechanism sprays water from both upper and lower directions to extinguish the residual fire at the same time, thereby avoiding the occurrence of secondary fire accidents. The utility model does not require firefighters to manually turn over the ruins, which is beneficial to reducing the physical consumption of firefighters, making it convenient for firefighters to conduct investigations, turn over the ruins and extinguish fires. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of a fire scene investigation ruins and residual fire extinguishing device according to an embodiment of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of a fire scene investigation ruins and residual fire extinguishing device according to one embodiment of the utility model;
[0019] Figure 3 A schematic diagram of the connection between a ruins lifting mechanism, an investigation mechanism and an afterburning fire extinguishing mechanism according to an embodiment of the utility model;
[0020] Figure 4 for Figure 3 The enlarged structural diagram at A in the middle;
[0021] Figure 5 for Figure 3 The enlarged structural diagram at B in the middle;
[0022] Figure 6 The present invention is a schematic diagram of the connection between a ruins lifting mechanism, an investigation mechanism and a residual fire extinguishing mechanism according to an embodiment of the present invention.
[0023] Description of reference numerals:
[0024] 1-support and moving mechanism; 2-ruin lifting mechanism; 3-surveying mechanism; 4-residual fire extinguishing mechanism; 5-electric cart; 6-push handle; 7-U-shaped frame; 8-motor; 9-screw; 10-bearing seat; 11-guide rod; 12-slide plate; 13-slide groove; 14-support plate; 15-connecting plate; 16-lifting frame; 17-connecting seat; 18-connecting rod; 19-connecting ring; 20-fixing hole; 21-bolt; 22-pan head; 23-infrared thermal imager; 24-water tank; 25-water pump; 26-three-way connector one; 27-water pipe one; 28-water pipe two; 29-three-way connector two; 30-water spray gun; 31-support rod one; 32-fixing ring one; 33-support rod two; 34-fixing ring two; 35-support rod three; 36-fastening bolt; 37-control box; 38-power supply module. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] like Figure 1 As shown, a fire scene investigation ruins and residual fire extinguishing device according to an embodiment of the utility model may include a supporting and moving mechanism 1, a ruins lifting mechanism 2, an investigation mechanism 3 and a residual fire extinguishing mechanism 4, wherein the ruins lifting mechanism 2 is fixedly mounted on the supporting and moving mechanism 1; the investigation mechanism 3 is mounted on the ruins lifting mechanism 2, and the investigation mechanism 3 is used to investigate whether there is residual fire in the ruins; the residual fire extinguishing mechanism 4 is provided with two water spraying ends, which are respectively located at the upper and lower ends of the ruins lifting mechanism 2, and the ruins lifting mechanism 2 lifts the ruins upward, and the two water spraying ends of the residual fire extinguishing mechanism 4 extinguish the residual fire from the upper and lower directions respectively.
[0027] In one embodiment of the present invention, Figure 2 As shown, the supporting and moving mechanism 1 may include an electric trolley 5. In the utility model, the electric trolley 5 adopts the existing technology, and its structure and working principle are not described in detail here. The electric trolley 5 includes a vehicle body, and a handle 6 is installed at one end of the vehicle body. The ruins lifting mechanism 2 is fixedly installed at one end of the vehicle body away from the handle 6.
[0028] In one embodiment of the present invention, Figure 3 and Figure 6 As shown, the ruins lifting mechanism 2 may include a U-shaped frame 7, a motor 8, a screw 9, a guide rod 11 and a lifting assembly, wherein the U-shaped frame 7 is fixedly installed on the vehicle body with its opening facing downward; the motor 8 is fixedly installed at the top of the U-shaped frame 7; the top of the screw 9 is fixedly connected to the output end of the motor 8, and the bottom end of the screw 9 is rotatably mounted with a bearing seat 10, and the bearing seat 10 is fixedly installed on the vehicle body; two guide rods 11 are provided, and the two ends of the guide rods 11 are respectively fixedly connected to the vehicle body and the U-shaped frame 7; the lifting assembly is threadedly connected to the screw 9, and the two ends of the lifting assembly slide up and down along the inner wall of the U-shaped frame 7.
[0029] Specifically, the lifting assembly may include a slide plate 12, a support plate 14 and a lifting unit, wherein the slide plate 12 is threadedly connected to the screw rod 9, sliders are provided at both ends of the slide plate 12, and slide grooves 13 corresponding to the sliders are opened on the inner walls of both sides of the U-shaped frame 7, the guide rod 11 passes through the slide plate 12, and the slide plate can slide up and down along the guide rod 11; the support plate 14 is vertically fixedly connected to the slide plate 12; the lifting unit is rotatably installed on the side of the support plate 14 away from the slide plate 12, and the lifting unit includes a connecting plate 15 and a lifting frame 16, connecting seats 17 are symmetrically fixedly installed on the support plate 14, a connecting rod 18 is fixedly installed between two connecting seats 17, and connecting rings 19 are fixedly installed at equal intervals on the top of the connecting plate 15, the connecting plate 15 is rotatably connected to the connecting rod 18 through the connecting ring 19, and the lifting frames 16 are longitudinally and transversely connected to form a mesh structure by transverse plates and longitudinal plates.
[0030] In a specific embodiment of the utility model, one end of the longitudinal plate away from the connecting plate 15 is a slope, which is convenient for insertion into the bottom of the ruins. When in use, the lifting frame 16 falls to contact the ground or falls to an appropriate height position according to the situation of the ruins. The electric cart 5 pushes the lifting frame 16 into the ruins, and then starts the motor 8. The motor 8 drives the screw 9 to rotate, and the slide plate 12 rises along the slide groove 13, so that the lifting frame 16 lifts the ruins upward.
[0031] In one embodiment of the present invention, Figure 6 As shown, corresponding fixing holes 20 are formed on the support plate 14 and the connecting plate 15 , and bolts 21 or locking pins are installed in the fixing holes 20 .
[0032] In the embodiment of the utility model, the lifting frame 16 is rotatably mounted on the support plate 14 through the connecting plate 15 for easy storage. After use, the bolts 21 or locking pins are removed, and the lifting frame 16 is flipped upwards. The lifting frame 16 is located in the opening of the U-shaped frame 7, and then fixed by the bolts 21 or locking pins to prevent the lifting frame 16 from accidentally injuring people.
[0033] In one embodiment of the present invention, Figure 3 As shown, the survey mechanism 3 is provided with two, and the two survey mechanisms 3 are symmetrically installed on both sides of the top of the U-shaped frame 7. Specifically, the survey mechanism 3 may include a pan / tilt 22, and the pan / tilt 22 is fixedly installed on the U-shaped frame 7. An infrared thermal imager 23 is installed on the pan / tilt 22. The infrared thermal imager 23 is used to survey whether there is residual fire that has not been extinguished. The infrared thermal imager 23 can accurately measure the surface temperature of the object being photographed, and realize abnormal diagnosis of the environment or object by analyzing the heat energy distribution and temperature of the scene being photographed. Even a spark cannot escape its capture. When the temperature is higher than the set value, an alarm can be issued in time. For the dark fire that may appear in the later stage of the fire and cannot be clearly seen by the naked eye, the infrared thermal imager 23 can also accurately detect the hidden heat source, which is conducive to timely eliminating hidden dangers and preventing secondary fire accidents.
[0034] In one embodiment of the present invention, Figure 3-Figure 5 As shown, the residual fire extinguishing mechanism 4 may include a water tank 24, a water pump 25 and a water spray assembly, wherein the water tank 24 is installed on the vehicle body, and a water replenishment port is provided on the water tank 24; the water pump 25 is installed on the vehicle body, the input end of the water pump 25 is connected to the water tank 24, and the output end of the water pump 25 is installed with a three-way joint 26; specifically, the water spray assembly may include a water spray unit, a support unit 1 and a support unit 2, wherein the support unit 1 is fixedly installed on the top of the U-shaped frame 7 and distributed on both sides of the motor 8, and the support unit 2 is fixedly installed on the outer walls on both sides of the bottom of the U-shaped frame 7, and two water spray units are provided, one end of the two water spray units is respectively connected to the two ports of the three-way joint 26, and the other ends of the two water spray units are respectively installed on the support unit 1 and the support unit 2.
[0035] Specifically, the water spray unit may include a water pipe 27, one end of which is connected to the three-way joint 26, and the other end of the water pipe 27 is installed with a three-way joint 29, and the two ports of the three-way joint 29 are respectively connected to water pipes 28, and the end of the water pipe 28 away from the three-way joint 29 is connected to a water spray gun 30.
[0036] Specifically, the support unit 1 may include a support rod 1 31, a fixing ring 1 32 is installed between the two support rods 1 31 via a damping shaft, and the water spray gun 30 is installed in the fixing ring 1 32. The support unit 2 includes a support rod 2 33, one end of the support rod 2 33 is fixedly connected to the U-shaped frame 7, the other end of the support rod 2 33 is provided with a through hole, a support rod 3 35 is slidably connected in the through hole, a fixing ring 2 34 is installed on the top of the support rod 3 35, the water spray gun 30 is installed in the fixing ring, a screw hole is provided on the support rod 2 33, the screw hole is connected to the through hole, a fastening bolt 3621 is installed in the screw hole, and the support rod 3 35 is fixed to the support rod by the fastening bolt 3621.
[0037] In the embodiment of the utility model, after the lifting frame 16 is lifted upward, the upper and lower water spray guns 30 work simultaneously to extinguish the remaining fire from the upper and lower directions. The water supply port on the water tank 24 is connected to a water pipe to a fire truck and other equipment. The water tank 24 is used for the temporary storage of fire extinguishing water.
[0038] In one embodiment of the present invention, Figure 2 As shown, a control box 37 is installed on the push handle 6, and a controller is installed in the control box 37. A display screen and a control switch are also installed on the control box 37. The display screen and the control switch are electrically connected to the controller, and the water pump 25 and the infrared thermal imager 23 are electrically connected to the controller. A power supply module 38 is also installed on the vehicle body, and the power supply module 38 is electrically connected to the controller. The power supply module 38 is also used to supply power to the electric cart 5.
[0039] According to the fire scene investigation ruins and residual fire extinguishing device of the embodiment of the utility model, the fire situation is investigated by means of the infrared thermal imager 23. When residual fire and the like are found, the ruins are lifted to a high place by means of the ruin lifting mechanism 2. Then, the residual fire extinguishing mechanism 4 is used to spray water from both upper and lower directions to extinguish the residual fire, thereby avoiding the occurrence of secondary fire accidents. The utility model does not require firefighters to manually turn over the ruins, which is beneficial to reducing the physical exertion of firefighters, making it convenient for firefighters to conduct investigations, turn over the ruins and extinguish fires.
[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0041] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, various modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A device for investigating ruins and extinguishing residual fire at a fire scene, characterized in that: include: Supporting mobile mechanism; A ruins lifting mechanism, wherein the ruins lifting mechanism is fixedly mounted on the supporting and moving mechanism; A survey mechanism, which is installed on the ruins lifting mechanism and is used to survey whether there is residual fire in the ruins; The residual fire extinguishing mechanism is provided with two water spraying ends, which are respectively located at the upper and lower ends of the ruin lifting mechanism. The ruin lifting mechanism lifts the ruins upward, and the two water spraying ends of the residual fire extinguishing mechanism extinguish the residual fire from the upper and lower directions respectively.
2. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 1, characterized in that: The supporting and moving mechanism comprises an electric cart, which comprises a body, one end of which is provided with a push handle, and the ruins lifting mechanism is fixedly mounted on one end of the body away from the push handle.
3. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 2, characterized in that: The ruins lifting mechanism comprises: A U-shaped frame, wherein the opening of the U-shaped frame is fixedly mounted on the vehicle body with the opening facing downward; A motor, wherein the motor is fixedly mounted on the top of the U-shaped frame; A screw, the top end of which is fixedly connected to the output end of the motor, and the bottom end of which is rotatably mounted with a bearing seat, which is fixedly mounted on the vehicle body; A guide rod, wherein two guide rods are provided, and both ends of the guide rod are fixedly connected to the vehicle body and the U-shaped frame respectively; A lifting assembly is threadedly connected to the screw rod, and two ends of the lifting assembly slide up and down along the inner wall of the U-shaped frame.
4. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 3 is characterized in that: The lifting assembly comprises: A slide plate, wherein the slide plate is threadedly connected to the screw rod, slide blocks are arranged at both ends of the slide plate, and slide grooves corresponding to the slide blocks are opened on the inner walls of both sides of the U-shaped frame, and the guide rod passes through the slide plate, and the slide plate can slide up and down along the guide rod; A support plate, the support plate is vertically fixedly connected to the slide plate; A lifting unit, wherein the lifting unit is rotatably mounted on a side of the support plate away from the slide plate, the lifting unit comprises a connecting plate and a lifting frame, connecting seats are symmetrically fixedly mounted on the support plate, a connecting rod is fixedly mounted between two connecting seats, connecting rings are fixedly mounted at equal intervals on the top of the connecting plate, the connecting plate is rotatably connected to the connecting rod via the connecting ring, and the lifting frames are longitudinally and transversely connected to form a mesh structure by transverse plates and longitudinal plates.
5. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 4, characterized in that: The support plate and the connection plate are provided with corresponding fixing holes, and bolts or locking pins are installed in the fixing holes.
6. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 5, characterized in that: The surveying mechanism is provided with two, and the two surveying mechanisms are symmetrically installed on both sides of the top of the U-shaped frame. The surveying mechanism comprises a pan-tilt platform, and the pan-tilt platform is fixedly installed on the U-shaped frame, and an infrared thermal imager is installed on the pan-tilt platform.
7. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 6, characterized in that: The residual fire extinguishing mechanism comprises: A water tank, the water tank is mounted on the vehicle body and is provided with a water filling port; A water pump, wherein the water pump is mounted on the vehicle body, an input end of the water pump is connected to the water tank, and an output end of the water pump is installed with a three-way connector 1; A water spray assembly, the water spray assembly includes a water spray unit, a support unit 1 and a support unit 2, the support unit 1 is fixedly installed on the top of the U-shaped frame and distributed on both sides of the motor, the support unit 2 is fixedly installed on the outer walls on both sides of the bottom of the U-shaped frame, and two water spray units are provided, one end of the two water spray units is respectively connected to the two ports of the three-way joint 1, and the other ends of the two water spray units are respectively installed on the support unit 1 and the support unit 2.
8. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 7, characterized in that: The water spray unit includes a water pipe 1, one end of which is connected to the three-way joint 1, the other end of which is installed with a three-way joint 2, the two ports of the three-way joint 2 are respectively connected to the water pipe 2, and the end of the water pipe 2 away from the three-way joint 2 is connected to a water spray gun.
9. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 8, characterized in that: The support unit 1 includes a support rod 1, a fixing ring 1 is installed between the two support rods 1 through a damping shaft, and the water spray gun is installed in the fixing ring 1; the support unit 2 includes a support rod 2, one end of the support rod 2 is fixedly connected to the U-shaped frame, the other end of the support rod 2 is provided with a through hole, a support rod 3 is slidably connected in the through hole, a fixing ring 2 is installed on the top of the support rod 3, the water spray gun is installed in the fixing ring, a screw hole is provided on the support rod 2, the screw hole is connected to the through hole, a fastening bolt is installed in the screw hole, and the support rod 3 is fixed to the support rod by the fastening bolt.
10. The device for fire scene investigation of ruins and residual fire extinguishing according to claim 9, characterized in that: A control box is installed on the push handle, and a controller is installed in the control box. A display screen and a control switch are also installed on the control box. The display screen and the control switch are electrically connected to the controller, and the water pump and the infrared thermal imager are electrically connected to the controller. A power supply module is also installed on the vehicle body, and the power supply module is electrically connected to the controller. The power supply module is also used to supply power to the electric cart.