Ground control cabinet detection device for insulation cover of open tank hot metal car
By designing a portable testing device that connects directly to the ground control cabinet, the testing process is simplified, solving the problems of low efficiency and high cost in traditional testing, and achieving efficient and convenient testing operations.
Patent Information
- Application Number
- CN202520354472.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-03
AI Technical Summary
Traditional testing procedures require the daily use of molten iron carts connected to ground control cabinets, which affects testing efficiency and increases manpower, material resources, and time costs.
Design a testing device that includes a housing, a multi-core socket, and multiple testing modules. It can be directly connected to the ground control cabinet and use indicator lights to show the normality of power supply, vehicle selection, and insulation cover control functions, thus simplifying the testing process.
It reduces testing costs, improves testing efficiency, and is unaffected by weather or equipment availability, enabling convenient testing operations.
Smart Images

Figure CN223679563U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to control cabinet detection equipment technical field especially an open pot ladle car heat preservation cover ground control cabinet detection device. BACKGROUND
[0002] The open pot ladle car is the common molten iron transportation equipment in the steel metallurgical industry, in order to save energy and reduce consumption, many enterprises install heat preservation cover system on the open pot ladle car, which is called iron ladle cover system. The iron ladle cover system is composed of ground control equipment and on-car equipment, the ground control equipment is composed of ground control cabinet and cable parts, is responsible for power supply, selects car number and controls the opening and closing of heat preservation cover, the on-car equipment is responsible for receiving the power supply and control signal of ground control cabinet, realizes the function of closing heat preservation cover to reduce the heat loss of molten iron during transportation and opening heat preservation cover when needing to hoist the iron ladle. The ground control equipment and on-car equipment are connected through 16-core cable and plug / socket.
[0003] In order to understand the working state of the ground control cabinet and guarantee its normal use, the enterprise needs to arrange staff to detect the ground control cabinet frequently, the traditional detection process needs to connect the ground control cabinet with the daily used ladle car, then the ground control cabinet verifies whether the heat preservation cover action and car number selection function are normal through sending control signal, once the fault occurs, it can be recorded and repaired in time, due to the busy production of the enterprise, the use state of the ladle car is relatively compact, so according to such detection process, not only the detection efficiency is affected, but also the manpower, material resources and time cost of detection are higher. UTILITY MODEL CONTENT
[0004] The utility model aims at providing an open pot ladle car heat preservation cover ground control cabinet detection device, which can solve the problem that the traditional detection process needs to connect the ground control cabinet with the daily used ladle car, not only affects the detection efficiency, but also the manpower, material resources and time cost of detection are higher.
[0005] In order to solve the above problem, the utility model adopts the technical scheme that this open pot ladle car heat preservation cover ground control cabinet detection device, including the casing, being equipped with three-phase power detection module, selecting car signal detection module, transmitting selecting car signal detection module, vehicle action detection module and feedback signal simulation module in the casing, the one end of casing is equipped with multi-core socket, being equipped with three-phase power input port, selecting car signal input port, transmitting selecting car signal input port, action signal input port, DC power input port and access signal input port on multi-core socket;
[0006] The three-phase power detection module includes isolation current-limiting capacitor group, bleeder resistor group, protection resistor group and three-phase LED indicator light group;
[0007] The selected vehicle signal detection module comprises a selected vehicle LED indicator light group, and an output end of the selected vehicle LED indicator light group is connected with the row resistance;
[0008] The downward selected vehicle signal detection module comprises a downward selected vehicle LED indicator light group, and an output end of the downward selected vehicle LED indicator light group is connected with the row resistance;
[0009] The vehicle action detection module comprises an action current-limiting resistor group and an action LED indicator light group.
[0010] The feedback signal simulation module comprises a feedback current-limiting resistor and a feedback LED indicator light.
[0011] The access signal input port and the DC power input port are connected with the feedback signal simulation module after being short-circuited.
[0012] In the above technical solution, a more specific technical solution can be that each discharge resistor of the discharge resistor group is connected in series in pairs and then connected in parallel at both ends of each isolation current-limiting capacitor of the isolation current-limiting capacitor group.
[0013] Further, each three-phase LED indicator light of the three-phase LED indicator light group is reversely connected in parallel with a discharge diode, and an output end is provided with a voltage limiting stabilizing tube.
[0014] Further, a high-voltage signal detection circuit board and a low-voltage signal detection and display circuit board are installed in the shell through a clamping groove; the three-phase power detection module is arranged on the high-voltage signal detection circuit board, and the selected vehicle signal detection module, the downward selected vehicle signal detection module, the vehicle action detection module and the feedback signal simulation module are arranged on the low-voltage signal detection and display circuit board.
[0015] Further, each module in the shell is connected with each input port on the multi-core socket through a wiring terminal and a pin.
[0016] Further, the shell is provided with a display panel, and the display panel is provided with a light guide hole and a corresponding indication mark.
[0017] Compared with the prior art, the utility model has the following beneficial effects due to the adoption of the above technical solution:
[0018] The utility model discloses a portable, easy-to-use detection device can significantly reduce the cost related to detection, including manpower, material resources and time cost, and the utility model can detect at any time and anywhere, is not influenced by weather and equipment availability etc. External factors, also greatly improve the efficiency of detection. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is the explosion drawing of the utility model;
[0020] Fig. 2 It is the structure schematic diagram of the utility model;
[0021] Fig. 3 It is the electrical schematic diagram of the utility model. DETAILED DESCRIPTION
[0022] In order to make the above-mentioned purpose, feature and advantage of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below in conjunction with the drawings. In the following description, a lot of specific details are set forth to facilitate a full understanding of the utility model, but the utility model can be implemented in many other ways different from the description herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, therefore the utility model is not limited by the following disclosed specific embodiments.
[0023] As Figs. 1 to 3 The opening tank iron car heat preservation cover ground control cabinet detection device as shown, including the casing 1, is equipped with three-phase power detection module, the car selection signal detection module, the car selection signal detection module of transmission, the vehicle action detection module and the feedback signal simulation module in the casing 1;The casing 1 one end is equipped with multi-core socket 2, is equipped with three-phase power input port, the car selection signal input port, the car selection signal input port of transmission, the action signal input port, the DC power input port and the access signal input port on multi-core socket 2.
[0024] The three-phase power supply detection module comprises an isolation current-limiting capacitor group, a bleeder resistor group, a protection resistor group and a three-phase LED indicator light group; the isolation current-limiting capacitor group comprises isolation current-limiting capacitors C1, C2 and C3, the bleeder resistor group comprises bleeder resistors R12, R13, R14, R15, R16 and R17, the protection resistor group comprises protection resistors R1, R2 and R3, and the three-phase LED indicator light group comprises three-phase LED indicator lights D12, D13 and D14; the bleeder resistors R12, R13, R14, R15, R16 and R17 of the bleeder resistor group are connected in series two by two and then connected in parallel across the isolation current-limiting capacitors C1, C2 and C3 of the isolation current-limiting capacitor group; the three-phase LED indicator lights D12, D13 and D14 of the three-phase LED indicator light group are reversely connected in parallel with discharge diodes D15, D16 and D17, and the output end is provided with voltage limiting stabilizing tubes D20, D19 and D18.
[0025] The selected vehicle signal detection module comprises a selected vehicle LED indicator light group, and the selected vehicle LED indicator light group comprises selected vehicle LED indicator lights D1, D2, D3 and D4; the output end of the selected vehicle LED indicator light group is connected with the resistor RP1.
[0026] The downward selected vehicle signal detection module comprises a downward selected vehicle LED indicator light group, and the downward selected vehicle LED indicator light group comprises downward selected vehicle LED indicator lights D5, D6, D7 and D8; the output end of the downward selected vehicle LED indicator light group is connected with the resistor RP1.
[0027] The vehicle action detection module comprises an action current-limiting resistor group and an action LED indicator light group; the action current-limiting resistor group comprises action current-limiting resistors R9 and R10, and the action LED indicator light group comprises an open cover LED indicator light D9 and a close cover LED indicator light D10.
[0028] The feedback signal simulation module comprises a feedback current-limiting resistor R11 and a feedback LED indicator light D11.
[0029] The access signal input port and the direct current power input port are connected with the feedback signal simulation module after being short-circuited.
[0030] The high-voltage signal detection circuit board 3 and the low-voltage signal detection and display circuit board 4 are installed in the shell 1 through clamping grooves; the three-phase power supply detection module is arranged on the high-voltage signal detection circuit board 3, and the selected vehicle signal detection module, the downward selected vehicle signal detection module, the vehicle action detection module and the feedback signal simulation module are arranged on the low-voltage signal detection and display circuit board 4; the shell 1 is provided with a display panel, and the display panel is provided with a light guide hole 5 and corresponding indication marks 6.
[0031] The modules in the shell 1 are connected with corresponding input ports on the multi-core socket 2 through wiring terminals J1-J5 and plug pins IN1-IN16.
[0032] In this embodiment, according to the conventional ground control cabinet case, a 16-core socket is adopted, and the corresponding cases of the pins and each input port are as follows: IN1, IN2 and IN9 are connected to the three-phase power input port, IN3, IN4, IN5 and IN6 are connected to the selected vehicle signal input port, IN11, IN12, IN13 and IN14 are connected to the downward selected vehicle signal input port, IN7 and IN15 are connected to the action signal input port, IN8 is connected to the DC power input port, IN10 is connected to the signal input port, and IN16 corresponds to the ground wire.
[0033] In use, the multi-core socket 2 is connected with the output end of the ground control cabinet, simulating the connection of the molten metal car, and then each operation is performed on the ground control cabinet. The three-phase power input port is connected to the AC380V three-phase power supply. After the AC380V three-phase power supply is limited by the isolation current-limiting capacitors C1, C2 and C3 respectively, it is driven by the protection resistors R3, R2 and R1 respectively, and finally the three-phase LED indicator lamps D12, D13 and D14 are lit up respectively, which are used to indicate whether the AC380V three-phase power supply is normal. The voltage limiting and stabilizing tubes D20, D19 and D18 are used to avoid damage to the three-phase LED indicator lamps by high voltage.
[0034] The selected vehicle signal received by the selected vehicle signal input port drives the selected vehicle LED indicator lamps D1, D2, D3 and D4 respectively, which are used to display whether the selected vehicle signal is correct. The downward selected vehicle signal received by the downward selected vehicle signal input port drives the downward selected vehicle LED indicator lamps D5, D6, D7 and D8 respectively, which are used to display whether the downward selected vehicle signal is correct. The resistor RP1 is an eight-bit resistor, which is used to limit the current of D1, D2, D3, D4, D5, D6, D7 and D8.
[0035] The cover opening signal and the cover closing signal received by the action signal input port are driven by the action current-limiting resistors R9 and R10 respectively, and the cover opening LED indicator lamp D9 and the cover closing LED indicator lamp D10 are driven, which are used to indicate whether the cover opening signal and the cover closing signal are correct.
[0036] The DC24V DC power signal is received by the DC power input port, and after passing through the feedback current-limiting resistor R11, the feedback LED indicator lamp D11 is driven, which is used to indicate whether the DC power is normal.
[0037] IN10 is directly connected to IN8 to simulate the state of the molten metal car being connected.
[0038] The light guide hole 5 and the indication mark 6 correspond to each LED indicator lamp, so that the working personnel can conveniently and intuitively see the detection result.
[0039] The utility model discloses after connecting with ground control cabinet, can directly carry out power supply, select car, the transmission of down -selected car and the open, close control of heat preservation cover etc. function detection on ground control cabinet, whether the work of ground control cabinet is normal and the troubleshooting point are judged through the bright, extinguishing of each corresponding pilot lamp of the utility model, and need not use the iron water car connection when detecting. The utility model provides a portable, easy-to-use detection device, can significantly reduce the cost related to detection, including manpower, material resources and time cost, and the utility model can detect anytime and anywhere, is not influenced by weather and equipment availability etc. external factor also, has improved the efficiency of detection greatly.
Claims
1. An open top ladle car cover ground control cabinet detection device, characterized by: The shell is internally provided with a three-phase power detection module, a car selection signal detection module, a downward car selection signal detection module, a vehicle action detection module and a feedback signal simulation module; one end of the shell is provided with a multi-core socket, and the multi-core socket is provided with a three-phase power input port, a car selection signal input port, a downward car selection signal input port, an action signal input port, a DC power input port and an access signal input port; The three-phase power detection module comprises an isolation current-limiting capacitor group, a bleeder resistor group, a protection resistor group and a three-phase LED indicator light group; The car selection signal detection module comprises a car selection LED indicator light group, and the output end of the car selection LED indicator light group is connected with a discharge resistor; The downward car selection signal detection module comprises a downward car selection LED indicator light group, and the output end of the downward car selection LED indicator light group is connected with the discharge resistor; The vehicle action detection module comprises an action current-limiting resistor group and an action LED indicator light group; The feedback signal simulation module comprises a feedback current-limiting resistor and a feedback LED indicator light; The access signal input port and the DC power input port are connected with the feedback signal simulation module after being short-circuited.
2. The open top ladle car thermal cover ground control cabinet detection device of claim 1, wherein: Each bleeder resistor of the bleeder resistor group is connected in series with another, and then connected in parallel with each isolation current-limiting capacitor of the isolation current-limiting capacitor group.
3. The open top ladle car thermal cover ground control cabinet detection device of claim 2, wherein: Each three-phase LED indicator light of the three-phase LED indicator light group is reversely connected in parallel with a discharge diode, and the output end is provided with a voltage limiting stabilizing tube.
4. The open top ladle car cover ground control cabinet detection device of any one of claims 1-3, characterized in that: The high-voltage signal detection circuit board and the low-voltage signal detection and display circuit board are installed in the shell through a clamping groove; the three-phase power detection module is arranged on the high-voltage signal detection circuit board, and the car selection signal detection module, the downward car selection signal detection module, the vehicle action detection module and the feedback signal simulation module are arranged on the low-voltage signal detection and display circuit board.
5. The open top ladle car thermal cover ground control cabinet detection device of claim 4, wherein: Each module in the shell is connected with each input port on the multi-core socket through a wiring terminal and a pin.
6. The open top ladle car cover ground control cabinet detection device of claim 5, wherein: The shell is provided with a display panel, and the display panel is provided with a light guide hole and a corresponding indication mark.