Cold box socket power supply detector
By designing a power supply tester for cold box sockets, utilizing quick-release connectors and magnetic adsorption, combined with indicator lights and voltage sensors, the problem of time-consuming and labor-intensive traditional testing methods is solved. This enables rapid and accurate socket fault diagnosis and power status assessment, improving maintenance efficiency and ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional methods for testing cold box sockets are time-consuming, labor-intensive, and inconvenient to operate, and cannot quickly and effectively determine socket faults and power status.
A power supply tester for cold box sockets was designed. It adopts quick-release connectors and magnetic adsorption function, combined with a four-core cable and indicator lights. Through voltage sensors and ground wire detection buttons, it can quickly detect the socket power connection, voltage and grounding status, and provide intuitive voltage display and leakage protection.
It enables rapid and accurate identification of cold box socket faults, simplifies maintenance procedures, improves maintenance efficiency, is easy to operate, and ensures the safety and stability of the power system.
Smart Images

Figure CN224035583U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power supply detection technical field, concretely relates to a cold box socket power supply detector. BACKGROUND
[0002] In the power system, the role of cold box socket is very important, which is directly related to the normal operation of refrigeration equipment and the quality and safety of goods, and the cold box socket has the following functions: 1. The main function of the cold box socket is to connect external power supply to provide stable power support for the refrigeration system, lighting facilities and other electronic devices inside the refrigerated container; 2. The refrigerated container is usually equipped with high-efficiency refrigeration system, which needs to consume a large amount of power to run, therefore, the cold box socket needs to have enough load capacity to meet the needs of these high-power devices, at the same time, the type and specification of the socket also need to be matched with the devices inside the refrigerated container to ensure the stability and safety of power transmission; 3. Many goods need to be transported under specific temperature conditions, such as frozen food, fresh products and medicines, etc., the cold box socket provides stable power support to ensure that the temperature inside the refrigerated container always remains within the required range, thereby maintaining the freshness and quality of the goods; 4. The cold box socket is usually equipped with various protection functions, such as overload protection, short circuit protection and leakage protection, etc., these protection measures can effectively prevent equipment damage and safety risks caused by power failure, in the design of the socket, waterproof, dustproof and fireproof requirements are also considered to ensure the reliability and stability of the socket in various harsh environments.
[0003] However, the cold box socket needs to be detected every certain period of time as the use time increases, to ensure the normal use of the cold box socket, but the traditional detection method is time-consuming and laborious, and the operation is not convenient, therefore, a cold box socket power supply detector is urgently needed to quickly detect the cold box socket. UTILITY MODEL CONTENTS
[0004] The utility model proposes a cold box socket power supply detector to solve the problem of time-consuming and laborious operation of the traditional method of detecting the cold box socket, which can quickly detect the cold box socket, is convenient to operate, convenient to use, and has good overall use effect.
[0005] In order to achieve the above object, the utility model discloses technical scheme is a kind of cold box socket power supply detector, including connector, connector can be connected with the three-phase power supply and ground wire of cold box socket, one end of connector is connected with wire, wire is connected with control box at the end away from connector, ground wire detection button is installed at the top of control box, four indicating lamps are also installed on control box, four voltage sensors are installed in control box, display screen on four voltage sensors is respectively embedded on four indicating lamps, when using, connector is inserted with cold box socket, whether the power supply of cold box socket is turned on is detected through four indicating lamps, voltage is measured through voltage sensor, voltage is shown through display screen, whether the lack of phase under voltage of cold box socket can be judged quickly, when grounding is effective, ground wire and phase wire form passage, leakage phenomenon occurs, so that leakage protection acts, when grounding is ineffective, passage will not be formed between ground wire and phase wire, and leakage phenomenon will not occur, leakage protection will not act, whether the grounding state of cold box socket is effective can be judged quickly, overall use effect is good, and practicality is strong.
[0006] Further, the control box is provided with a protective cover, and the indicating lamp is located in the protective cover.
[0007] Further, the protective cover is made of transparent acrylic plate, so as to facilitate reading of the voltage.
[0008] Further, the wire is made of four-core cable.
[0009] Further, the connector is made of quick-release connector, so as to facilitate quick connection.
[0010] Further, the back of the control box is embedded with a magnet, so as to adsorb the control box on the cold box, and free the hands of the staff.
[0011] The utility model has the advantages of:
[0012] The detector can quickly and accurately determine the fault point of the cold box socket, improve the maintenance efficiency, the integrated design of the equipment reduces the operation steps, and simplifies the maintenance process; the intuitive indicating lamp display enables the maintenance personnel to quickly identify the fault state; the adsorption function enables the diagnostic instrument to be easily fixed on the cold box frame, improves the operation convenience; the accurate voltage display helps the maintenance personnel to accurately determine whether the voltage is within the specified range; the ground wire detection function improves the comprehensiveness of diagnosis, ensures the safety of the grounding system, is convenient to operate, convenient to use, and has high overall practicability. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the utility model, the following will be needed to use the drawings in the description briefly introduced, obviously, the following description in the drawings only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, according to these drawings, other drawings can also be obtained.
[0014] Figure 1 It is the structural schematic diagram of the utility model.
[0015] Figure 2 It is the side view structural schematic diagram of the control box of the utility model.
[0016] Figure 3 It is the circuit connection schematic diagram of the utility model.
[0017] In the drawing: 1, connecting head;2, wire;3, control box;4, display screen;5, indicating lamp;6, ground wire detection button;7, protective cover. Specific implementation
[0018] In order to make the purpose, feature, advantage of the utility model more obvious and easy to understand, the following will be combined with the drawings in the specific embodiment, the technical scheme in the utility model is clearly and completely described, obviously, the following described embodiment only some embodiments of the utility model, rather than all the embodiments. Based on the embodiment in this patent, all other embodiments obtained by those skilled in the art without making creative labor are within the scope of this patent protection.
[0019] As Figures 1-2 Shown in the embodiment, the utility model discloses a kind of cold box socket power detector, including connecting head 1 and control box 3, wherein, the inside of connecting head 1 is provided with four connection points, can be connected with the three-phase power supply and ground wire of cold box socket, connecting head 1 uses quick release connector, by quick release connector, to facilitate quick connection, one end of connecting head 1 is connected with wire 2, wire 2 is connected with control box 3 at the end away from connecting head 1.
[0020] Specifically, the wire 2 adopts a four-core cable, one end of the four-core cable is connected with four connecting points in the connecting head 1 respectively, the other end of the four-core cable is on the control box 3, the top of the control box 3 is provided with a ground wire detection button 6, the interface one of the ground wire detection button 6 is connected with a ground wire in the four-core cable, the interface two of the ground wire detection button 6 is connected with a phase in the three-phase power supply, the control box 3 is further provided with four indicator lights 5, the four-core cable is connected with the four indicator lights 5 respectively, the inside of the control box 3 is provided with four voltage sensors, the four voltage sensors and the four indicator lights 5 are connected in series between the three-phase power supply and the ground wire of the cold box socket through the four-core cable, the display screens 4 on the four voltage sensors are inlaid on the four indicator lights 5 respectively, the control box 3 is provided with a protective cover 7, the indicator lights 5 are located in the inside of the protective cover 7, the indicator lights 5 can be protected through the protective cover 7, the protective cover 7 adopts a transparent acrylic plate, the transparent acrylic plate is used to facilitate reading the voltage, the back of the control box 3 is inlaid with a magnet, the control box 3 can be adsorbed on the cold box through the magnet, and the hands of the workers are freed.
[0021] In use, the connecting head 1 is plugged with the cold box socket, whether the power supply of the cold box socket is turned on is detected through the four indicator lights 5, the voltage is displayed through the display screen 4, whether the cold box socket is short of phase and under-voltage can be quickly judged, whether the ground wire is electrified can be quickly judged, the grounding of the cold box socket can be detected through pressing the ground wire detection button 6, whether the grounding state of the cold box socket is effective can be quickly judged, when the grounding is effective after pressing the ground wire detection button 6, the ground wire and the phase wire form a path, the electric leakage phenomenon occurs, so that the electric leakage protection acts, when the grounding is invalid, the path is not formed between the ground wire and the phase wire, and the electric leakage phenomenon does not occur, the electric leakage protection does not act, the electric leakage protection can be tested at the same time, the overall use effect is good, and the practicality is high.
[0022] The above description of disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A cold box socket power detector, comprising a connecting head (1), characterized in that, The connecting head (1) can be connected with three-phase power supply and ground wire of cold box socket, one end of the connecting head (1) is connected with a wire (2), the wire (2) is connected with a control box (3) at the end away from the connecting head (1), the top of the control box (3) is installed with a ground wire detection button (6), four indicating lamps (5) are also installed on the control box (3), four voltage sensors are installed in the control box (3), and the display screens (4) on the four voltage sensors are respectively inlaid on the four indicating lamps (5).
2. The cold box socket power detector of claim 1, wherein, The control box (3) is installed with a protective cover (7), and the indicating lamps (5) are located in the protective cover (7).
3. The cold box socket power detector of claim 2, wherein, The protective cover (7) is made of transparent acrylic plate.
4. The cold box receptacle power detector of claim 1, wherein, The wire (2) is made of four-core cable.
5. The cold box receptacle power detector of claim 1, wherein, The connecting head (1) is made of quick release connector.
6. The cold box receptacle power detector of claim 1, wherein, The back of the control box (3) is inlaid with a magnet.