Safety protection device
By adopting a combined structure of guard plate and buffer spring in the electrical safety protection device, the impact energy is absorbed and the temperature is reduced through the heat dissipation fan and dense heat dissipation holes, the problem of the lack of anti-collision and cooling measures in the existing devices is solved, and the safety and reliability of the devices are improved.
Patent Information
- Application Number
- CN202422588837.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-10-25
AI Technical Summary
At electrical construction sites, existing electrical safety protection devices lack anti-collision measures and are prone to damage due to impact. At the same time, effective cooling measures are lacking, resulting in the risk of high temperature burning.
A safety protection device is designed, using a combined structure of front guard plate, rear guard plate and buffer spring to absorb impact energy and avoid damage to electrical appliances in the box; at the same time, by setting up a heat dissipation fan and dense heat dissipation holes, the discharge of hot air is promoted and the temperature in the box is reduced.
It effectively prevents electrical appliance damage caused by impact, and optimizes the heat dissipation design, reduces the risk of high-temperature burning and improves the safety and reliability of the device.
Smart Images
Figure CN222996087U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electrical engineering, and more specifically, it particularly relates to a safety protection device. Background Art
[0002] At the electrical construction site of a battery swapping station, it is often necessary to use an electrical safety protection device to connect to the circuit, adjust the voltage and integrate electrical equipment. However, the items at the construction site are messy and the personnel flow is frequent, so it is inevitable to bump into the electrical protection device. The existing protection devices are often only used for insulation and anti-electric shock, lacking anti-collision measures, and the internal electrical equipment is easily damaged after being hit; in addition, due to the high heat generation and fast temperature rise of the integrated circuit, and the existing protection devices usually lack cooling measures, there is a risk of burnout at high temperatures. Content of the Utility Model
[0003] In order to solve the above technical problems, the utility model provides a safety protection device to solve the problem that the internal electrical appliances and circuits of the existing distribution box are easily damaged when being hit during electrical construction.
[0004] The utility model provides a safety protection device achieved by the following specific technical means:
[0005] A safety protection device includes a base, a horizontal limiting rod and a box body; a reverse U-shaped support frame is fixedly connected above the base, two groups of rear protection plates are fixedly connected behind the support frame, two vertical upward limiting rods are fixed on the base at a certain distance in front of the support frame, a number of positioning holes are axially arranged through the limiting rods in an array, a limiting block is arranged at the top of the limiting rod, and a front protection plate is slidably connected on the limiting rod, and the upper end of the front protection plate abuts against the limiting block; the horizontal limiting rod penetrates through the positioning holes of the two side limiting rods; the bottom of the front protection plate abuts against the horizontal limiting rod; the inside of the support frame is connected to a connecting column through a number of buffer springs, and the connecting column is fixedly connected to the side wall of the distribution box; the distribution box includes a box body, an incoming line through hole and an outgoing line through hole are opened at the bottom of the box body, the front of the box body is rotatably connected to one side of the box door through two hinges, and an observation window is arranged on the box door; heat dissipation holes are opened at the rear and both sides of the box body, and protective covers are covered outside the heat dissipation holes.
[0006] Further, the buffer springs connected to the inner wall of the support frame are divided into four groups in pairs, two of which are connected to the inner walls on both sides at the upper position of the support frame, and the other two are connected to the inner walls on both sides at the lower position of the support frame.
[0007] Further, the heat dissipation holes opened in the box body include a number of rectangular heat dissipation holes A arranged in an upper and lower array on the side wall, protective covers A inclined downward are arranged outside the heat dissipation holes A, and also include two groups of heat dissipation hole B clusters arranged at equal intervals and densely on the rear, and protective covers B inclined downward are arranged outside both groups of heat dissipation hole B clusters.
[0008] Further, a plurality of screw holes are provided on the inner wall at the rear of the box body, and all the screw holes are fixedly connected with a circuit mounting plate located in a vertical plane through bolts. The circuit mounting plate is kept at a certain distance from the inner wall at the rear of the box body and the box door.
[0009] Further, a lock body is provided on the side of the box door far from the hinge to the box body. The lock body includes a handle, a rotating shaft, a clamping plate, and a clamping hook. The handle is located outside the box door of the distribution box, and a rotating shaft is fixedly connected behind the handle. The rotating shaft penetrates through the box door to form a rotating connection, and a clamping plate is fixedly connected behind the rotating shaft. The clamping hook is fixedly connected near the box door in front of the box body. The clamping plate is clamped on the clamping hook to fixedly connect the box door to the box body.
[0010] Further, a heat dissipation fan A facing forward is fixedly connected to the upper side of the rear wall of the box body through bolts. A dense ventilation hole is opened at a position directly opposite to the heat dissipation fan A on the box door. The center of the heat dissipation fan A is fixedly connected to the rotating shaft of the motor A. The motor A is located behind the distribution box, and the motor A is installed on the rear of the box body through the base A. A rainproof cover is covered above the motor A, and the rainproof cover is fixedly connected above the base A.
[0011] Further, three groups of horizontal fixing brackets are fixedly connected to both sides of the box body, with two groups in the front and one group in the rear. The fixing brackets are fixedly connected with heat dissipation fans B facing downward through bolts. The center of the heat dissipation fan B is fixedly connected to the rotating shaft of the motor B. The motor B is fixedly connected to the upper position of the rear wall of the box body through the base B.
[0012] Further, a warning light is installed above the box body. The warning light is connected through a control line to a temperature sensor fixed inside the box body. A round hole is opened at the top of the support frame. The warning light passes through the round hole of the support frame.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. By providing the front protection plate, the rear protection plate and the buffer spring, when the device is impacted during electrical construction, due to the protection of the two protection plates on the distribution box, it will first impact and contact the support frame, the rear protection plate or the front protection plate. And since the support frame and the distribution box are not fixedly connected, but are connected through the buffer spring, the buffer spring will absorb part of the impact energy, thereby avoiding damage to the electrical appliances inside the box.
[0015] 2. By providing the heat dissipation fan A, starting the motor A blows the rising high-temperature hot air flow out of the box body through the ventilation holes opened on the box door by the heat dissipation fan A. By providing the heat dissipation fan B, starting the motor B fans to form a disturbed air flow inside the box body, promoting the high-temperature heat flow to be blown out of the box body through the heat dissipation holes A opened on the side wall of the box body and the heat dissipation holes B opened on the rear wall, which is beneficial to reducing the temperature inside the box body.
[0016] 3. In the present utility model, a temperature sensor is provided, and a warning light is installed above the box body. The warning light is connected to the temperature sensor fixed inside the box body through a control line. If the temperature sensor senses a sharp rise in the temperature inside the box, the sensor will control the warning light to flash and alarm externally through the control line. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic structural diagram of the present utility model.
[0018] Figure 2 is a front view of the present utility model in the open state.
[0019] Figure 3 is a schematic structural diagram of the distribution box of the present utility model.
[0020] Figure 4 is a side top view of the distribution box of the present utility model at a position slightly behind.
[0021] Figure 5 is a schematic diagram of the first perspective of the box body of the present utility model.
[0022] Figure 6 is a schematic diagram of the second perspective of the box body of the present utility model.
[0023] Figure 7 is a schematic structural diagram of the high-temperature alarm device of the present utility model.
[0024] Figure 8 is a schematic diagram of the cooperation relationship between the lock body, the box body and the box door of the present utility model.
[0025] Figure 9 is the present utility model Figure 3 The partial enlarged view at position A in.
[0026] In the figure, the corresponding relationship between the component names and the drawing reference numerals is as follows:
[0027] 1. Base; 2. Support frame; 201. Round hole; 3. Limit rod; 301. Positioning hole; 302. Limit block; 4. Horizontal limit rod; 5. Front guard plate; 6. Rear guard plate; 7. Buffer spring; 8. Connecting column; 9. Box body; 901. Inlet perforation; 902. Outlet perforation; 903. Heat dissipation hole A; 904. Protective cover A; 905. Heat dissipation hole B; 906. Protective cover B; 907. Screw hole; 10. Box door; 1001. Ventilation hole; 11. Observation window; 12. Lock body; 1201. Handle; 1202. Rotating shaft; 1203. Clamping plate; 1204. Hook; 13. Circuit mounting plate; 14. Warning light; 15. Control line; 16. Temperature sensor; 17. Heat dissipation fan A; 18. Motor A; 19. Base A; 20. Rainproof cover; 21. Heat dissipation fan B; 22. Fixed bracket; 23. Motor B; 24. Base B. Detailed implementation mode
[0028] The following further describes in detail the implementation mode of the present utility model in conjunction with the attached drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.
[0029] Embodiment:
[0030] As shown in the attached Figure 1 to the attached Figure 9 shown:
[0031] The present utility model provides a safety protection device, including a base 1, a horizontal limiting rod 4 and a box body 9; a reverse U-shaped support frame 2 is fixedly connected above the base 1, two groups of rear protection plates 6 are fixedly connected behind the support frame 2, two vertical upward limiting rods 3 are fixedly arranged on the base 1 at a certain distance in front of the support frame 2, a number of positioning holes 301 are axially arrayed and opened on the limiting rods 3, a limiting block 302 is arranged at the top of the limiting rods 3, a front protection plate 5 is slidably connected to the limiting rods 3, and the upper end of the front protection plate 5 abuts against the limiting block 302; the horizontal limiting rod 4 penetrates through the positioning holes 301 of the two side limiting rods 3; the bottom of the front protection plate 5 abuts against the horizontal limiting rod 4; the inside of the support frame 2 is connected to a connecting column 8 through a number of buffer springs 7, and the connecting column 8 is fixedly connected to the side wall of the distribution box; the distribution box includes a box body 9, an incoming line perforation 901 and an outgoing line perforation 902 are opened at the bottom of the box body 9, one side of the box body 9 is rotatably connected to a box door 10 through two hinges, and an observation window 11 is arranged on the box door 10; heat dissipation holes are opened at the rear and both sides of the box body 9, and protective covers are covered outside the heat dissipation holes.
[0032] Among them, as shown in Figure 1 and Figure 2 shown, the buffer springs 7 connected to the inner wall of the support frame 2 are divided into four groups in pairs, two of which are connected to the inner walls on both sides of the upper position of the support frame 2, and the other two are connected to the inner walls on both sides of the lower position of the support frame 2. When the device is impacted during electrical construction, since the two protection plates protect the distribution box, it will first impact and contact the support frame 2, the rear protection plate 6 or the front protection plate 5, and since the support frame 2 and the distribution box are not fixedly connected, but are connected through the buffer springs 7, the buffer springs 7 will absorb part of the impact energy, thereby avoiding damage to the electrical appliances in the box body 9.
[0033] Among them, as shown in Figure 6 shown, the heat dissipation holes opened in the box body 9 include a number of rectangular heat dissipation holes A903 arranged in an upper and lower array on the side wall, and protective covers A904 inclined downward are arranged outside the heat dissipation holes A903. As shown in Figure 5As shown, it also includes two groups of heat dissipation holes B905 clusters arranged at equal intervals and densely at the rear. Protective covers B906 inclined downward are arranged on the outer sides of the two groups of heat dissipation holes B905 clusters. The dense heat dissipation holes can ensure the smooth heat dissipation of the box body 9, and the protective cover arranged outside the heat dissipation holes can prevent rainwater from dripping into the box body 9 on rainy days and causing a short circuit.
[0034] Among them, as Figure 6 shown, a number of screw holes 907 are arranged on the inner wall at the rear of the box body 9. As Figure 3 shown, all the screw holes 907 are fixedly connected with a circuit mounting board 13 located in the vertical plane through bolts. The circuit mounting board 13 keeps a certain distance from the inner wall at the rear of the box body 9 and the box door 10. The circuit mounting board 13 is made of insulating material, and a large space is reserved in front and behind the electrical equipment installed on the circuit mounting board 13 in the box body 9, which can accelerate the heat dissipation of the electrical appliances.
[0035] Among them, as Figure 2 shown, a lock body 12 is arranged on the side of the box door 10 far from the hinge with the box body 9. As Figure 8 shown, the lock body 12 includes a handle 1201, a rotating shaft 1202, a clamping plate 1203, and a hook 1204; the handle 1201 is located outside the box door 10 of the distribution box. A rotating shaft 1202 is fixedly connected behind the handle 1201. The rotating shaft 1202 penetrates through the box door 10 to form a rotational connection. A clamping plate 1203 is fixedly connected behind the rotating shaft 1202; the hook 1204 is fixedly connected near the box door 10 in front of the box body 9; the clamping plate 1203 is stuck on the hook 1204 to fixedly connect the box door 10 to the box body 9. After closing the box door 10, rotate the handle 1201 of the lock body 12 to make the clamping plate 1203 stuck on the hook 1204 of the box body 9, avoiding the box door 10 being accidentally opened and exposing the internal circuit.
[0036] Among them, as Figure 3 shown, a heat dissipation fan A17 facing forward is fixedly connected to the upper side of the rear wall of the box body 9 through bolts. As Figure 4 shown, a dense ventilation hole 1001 is opened at the position directly opposite to the heat dissipation fan A17 in front of the box door 10. The center of the heat dissipation fan A17 is fixedly connected to the rotating shaft of the motor A18. The motor A18 is located behind the distribution box. The motor A18 is installed on the rear of the box body 9 through a pedestal A19. A rainproof cover 20 is covered above the motor A18. The rainproof cover 20 is fixedly connected above the pedestal A19. Starting the motor A18, the rising high-temperature hot air flow is blown out of the box body 9 through the ventilation hole 1001 opened in the box door 10, which is beneficial to reducing the temperature inside the box body 9.
[0037] Among them, as Figure 3 shown, three groups of horizontal fixing brackets 22 are fixedly connected to both sides of the box body 9. As Figure 9As shown, where two groups are in the front and one group is in the back. The fixed bracket 22 is fixedly connected with a downward-facing radiator fan B21 through bolts. The center of the radiator fan B21 is fixedly connected to the rotating shaft of the motor B23. The motor B23 is fixedly connected to the upper position of the rear wall of the box body 9 through the base B24. Starting the motor B23 causes the radiator fan B21 to fan and form a disturbed air flow inside the box body 9, promoting the high-temperature heat flow to blow out of the box body 9 through the heat dissipation holes A903 opened on the side wall of the box body 9 and the heat dissipation holes B905 opened on the rear wall, which is beneficial to reducing the temperature inside the box body 9.
[0038] Among them, as Figure 2 and Figure 4 shown, a warning light 14 is installed above the box body 9. The warning light 14 is connected and fixed to a temperature sensor 16 inside the box body 9 through a control wire 15; a round hole 201 is opened at the top of the support frame 2; the warning light 14 passes through the round hole 201 of the support frame 2. If the temperature sensor 16 senses that the temperature inside the box body 9 has risen sharply, the sensor 16 will control the warning light 14 to flash and alarm externally through the control wire 15.
[0039] The specific usage method and function of this embodiment:
[0040] In this utility model, electrical equipment is installed on the circuit installation board 13, and the cable is passed through the incoming wire perforation 901 at the bottom of the box body 9 and out through the outgoing wire perforation 902; then the box door 10 is closed and locked: rotate the box door 10 to make it closed. After covering the box door 10, rotate the handle 1201 of the lock body 12 so that the clamping plate 1203 is clamped on the hook 1204 of the box body 9, and the box door 10 is fixedly connected to the box body 9; slide the front guard plate 5 upward along the limit rod 3 until the top of the front guard plate 5 abuts against the limit block 302 at the top of the limit rod 3, and insert a transverse limit rod 4 into the positioning holes 301 at the uppermost ends of the two limit rods 3; start the motor A18 to blow the rising high-temperature hot air flow out of the box body 9 through the ventilation holes 1001 opened on the box door 10, start the motor B23 to cause the radiator fan B21 to fan and form a disturbed air flow inside the box body 9, promoting the high-temperature heat flow to blow out of the box body 9 through the heat dissipation holes A903 opened on the side wall of the box body 9 and the heat dissipation holes B905 opened on the rear wall; if the temperature sensor 16 senses that the temperature inside the box body 9 has risen sharply, the sensor 16 will control the warning light 14 to flash and alarm externally through the control wire 15.
[0041] For the parts not detailed in this utility model, they are all well-known technologies to those skilled in the art.
Claims
1. A safety protection device, characterized in that: The invention comprises a base (1), a transverse limiting rod (4) and a box body (9); an inverted U-shaped support frame (2) is fixedly connected to the top of the base (1); two groups of rear guard plates (6) are fixedly connected to the rear of the support frame (2); two vertically upward limiting rods (3) are fixed to the base (1) at a certain distance in front of the support frame (2); a plurality of positioning holes (301) are opened in the limiting rod (3) along the axial array; a limiting block (302) is arranged at the top of the limiting rod (3); a front guard plate (5) is slidably connected to the limiting rod (3); the upper end of the front guard plate (5) abuts against the limiting block (302); the transverse limiting rod (4) is inserted through the limiting rods on both sides; (3) has a positioning hole (301); the bottom of the front guard plate (5) is against the transverse limit rod (4); the support frame (2) is connected to the connecting column (8) through a plurality of buffer springs (7), and the connecting column (8) is fixedly connected to the side wall of the distribution box; the distribution box comprises a box body (9), the bottom of the box body (9) is provided with an inlet through hole (901) and an outlet through hole (902), the front of the box body (9) is rotatably connected to one side of a box door (10) through two sets of hinges, and the box door (10) is provided with an observation window (11); the rear and both sides of the box body (9) are provided with dense heat dissipation holes, and the heat dissipation holes are covered with protective covers.
2. A safety protection device according to claim 1, characterized in that: The buffer springs (7) connected to the inner wall of the support frame (2) are divided into four groups in pairs, two of which are connected to the inner walls on both sides of the upper position of the support frame (2), and the other two groups are connected to the inner walls on both sides of the lower position of the support frame (2).
3. A safety protection device according to claim 1, characterized in that: The heat dissipation holes opened in the box body (9) include a plurality of rectangular heat dissipation holes A (903) arranged in an upper and lower array on the side wall, and protective covers A (904) tilted downward are arranged on the outer sides of the heat dissipation holes A (903). The box body (9) also includes two groups of heat dissipation holes B (905) clusters arranged at equal intervals and densely at the rear, and protective covers B (906) tilted downward are arranged on the outer sides of the two groups of heat dissipation holes B (905) clusters.
4. A safety protection device according to claim 1, characterized in that: A plurality of screw holes (907) are provided on the inner wall at the rear of the box body (9), and all the screw holes (907) are fixedly connected to a circuit mounting plate (13) located on a vertical plane by means of bolts, and the circuit mounting plate (13) is kept at a certain distance from the inner wall at the rear of the box body (9) and the box door (10).
5. A safety protection device according to claim 1, characterized in that: The door (10) is provided with a lock body (12) at a side away from the side hinged to the box body (9), and the lock body (12) comprises a handle (1201), a rotating shaft (1202), a clamping plate (1203), and a hook (1204); the handle (1201) is located outside the door (10) of the distribution box, the rear of the handle (1201) is fixedly connected to the rotating shaft (1202), the rotating shaft (1202) penetrates the door (10) to form a rotational connection, and the rear of the rotating shaft (1202) is fixedly connected to the clamping plate (1203); the clamping plate (1204) is fixedly connected to the front of the box body (9) near the door (10); the clamping plate (1203) is clamped on the clamping hook (1204) so that the door (10) is fixedly connected to the box body (9).
6. A safety protection device according to claim 1, characterized in that: A heat dissipation fan A (17) facing forward is fixedly connected to the upper side of the rear wall of the box body (9) by bolts; the box door (10) is provided with dense ventilation holes (1001) at a position directly in front of the heat dissipation fan A (17); the center of the heat dissipation fan A (17) is fixedly connected to the rotating shaft of the motor A (18); the motor A (18) is located behind the distribution box; the motor A (18) is installed behind the box body (9) through a base A (19); the motor A (18) is covered with a rainproof shield (20) above, and the rainproof shield (20) is fixed above the base A (19).
7. A safety protection device according to claim 1, characterized in that: Three groups of transverse fixed brackets (22) are fixedly connected to both sides of the box body (9), two of which are located at the front and one at the rear. The fixed brackets (22) are fixedly connected to a cooling fan B (21) facing downward by bolts. The center of the cooling fan B (21) is fixedly connected to the rotating shaft of a motor B (23). The motor B (23) is fixedly connected to the upper position of the rear wall of the box body (9) by a base B (24).
8. A safety protection device according to claim 1, characterized in that: A warning light (14) is installed above the box (9), and the warning light (14) is connected to a temperature sensor (16) fixed inside the box (9) via a control line (15); a circular hole (201) is opened at the top of the support frame (2); and the warning light (14) passes through the circular hole (201) of the support frame (2).