Variable frequency transformer (mine explosion-proof and intrinsically safe)
CN310280920SActive Publication Date: 2026-10-27TIANDI CHANGZHOU AUTOMATION +1
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Patent Information
- Application Number
- CN202630150817.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-02
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2041-04-02
Smart Images
Figure 000007_ABST
Abstract
1. Name of the design product: Mine-used explosion-proof and intrinsically safe type power converter. 2. Use of the design product: The design product is used in coal mine underground with gas, coal dust and explosive gas mixture, to control motor soft start, soft stop and speed regulation, with over-voltage, under-voltage, short-circuit, cooling system fault and leakage locking protection functions. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.
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