A cold storage warehouse in-house help-seeking system
By installing a rescue system inside the cold storage facility, including emergency lights, emergency call buttons, and uninterruptible power supplies, it is ensured that personnel inside the cold storage can call for help in a timely manner in the event of a power outage or communication failure, thus solving the problem of difficulty in seeking help inside the cold storage facility and ensuring personnel safety.
Patent Information
- Application Number
- CN202423250760.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The lack of effective rescue devices in existing cold storage facilities means that people cannot call for help in time in the event of lost communication signals or power outages, resulting in a high risk of people being trapped.
Design a rescue system for cold storage, including a constantly lit emergency light, an emergency call button, an uninterruptible power supply (UPS), an intermediate call relay, and control electronics. Combine an audible and visual alarm device with a voice alarm device, and use the UPS for power supply to ensure that the system can still effectively call for help in the event of a power outage or communication failure.
This system enables personnel inside the cold storage to promptly call for help in the event of a power outage or communication failure, preventing them from being trapped and ensuring their safety.
Smart Images
Figure CN223596330U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the cold storage accessory equipment technical field, mainly relates to the improvement of the help-seeking facility in the cold storage, specifically a cold storage in the help-seeking system. BACKGROUND
[0002] The cold storage is used for storing blood plasma, red blood cells, white blood cells, biological products and the like in blood stations, hospitals and the like, and the temperature range is generally -40~20 DEG C. In the past cold storage construction projects, only the door opening device in the cold storage and simple communication or alarm measures are provided in the cold storage, and there is no effective and reliable help-seeking device in the cold storage. When the cold storage door lock device has mechanical failure or the cold storage door is frozen, there is no signal in the cold storage, the mobile phone cannot be used, and the conventional help-seeking measures such as telephone and calling device cannot effectively notify the personnel outside the cold storage to open the door for rescue when the communication line fails or power failure occurs. The personnel are trapped in the cold storage for a long time, which may cause casualties, and such tragic accidents often occur.
[0003] Therefore, it is urgent to design and develop a cold storage in the help-seeking system to solve the problem that the personnel in the cold storage cannot rely on external force for timely rescue when trapped, and the help-seeking device outside the cold storage can be timely called even in the absence of communication signals or power failure, which is convenient, safe and reliable to operate. This is a technical problem to be solved in the field. UTILITY MODEL CONTENT
[0004] The utility model discloses a cold storage in the help-seeking system to solve the above-mentioned problems existing in the prior art, and the help-seeking device outside the cold storage can be timely called even in the absence of communication signals or power failure, which is convenient, safe and reliable to operate.
[0005] The utility model discloses the purpose is realized through the following technical schemes:
[0006] A cold storage in the help-seeking system, including the in-store help-seeking device of the cold storage setting, its characterized in that, the in-store help-seeking device includes the normal emergency light of the setting in the cold storage, emergency help-seeking button, uninterrupted power supply, help-seeking intermediate relay and control electric control, and the sound and light alarm device and voice alarm device are set up outside the cold storage, the emergency light, emergency help-seeking button, sound and light alarm device and voice alarm device all are powered by uninterrupted power supply, the normally open contact of emergency help-seeking button is connected in the power supply loop of help-seeking intermediate relay, the multiple contacts of help-seeking intermediate relay are connected to sound and light alarm device and voice alarm device respectively.
[0007] The improvement on the above technical solution is that the uninterrupted power supply comprises a power-off intermediate relay, an AC / DC converter, a storage battery and a DC / DC converter; the working power supply end of the power-off intermediate relay and the AC / DC converter is connected to a commercial power supply; the DC power supply output end of the AC / DC converter is connected to the input end of the DC / DC converter; the positive and negative output ends of the storage battery are connected to the first and second normally closed contacts of the power-off intermediate relay respectively and then are connected in parallel to the DC power supply output end of the AC / DC converter.
[0008] The further improvement on the above technical solution is that when the commercial power supply is powered, the power-off intermediate relay is powered to work, the first and second normally closed contacts of the power-off intermediate relay are disconnected, the storage battery is not powered, and the AC / DC converter provides DC power supply for the system; when the commercial power supply is powered off, the first and second normally closed contacts of the power-off intermediate relay are connected to the output end of the storage battery, the storage battery provides DC power supply for the system, and the uninterrupted power supply outputs two groups of DC low-voltage power, namely E1 DC power and E2 DC power, the E1 DC power is used as the working power supply of the normally on emergency light, the emergency call button and the sound and light alarm device, and the E2 DC power is used as the working power supply of the voice alarm device.
[0009] The further improvement on the above technical solution is that the charging end of the storage battery is connected to the third and fourth normally closed contacts of the power-off intermediate relay respectively and then is connected to the commercial power supply, when the commercial power supply is powered and the storage battery is not powered, the commercial power supply charges the storage battery.
[0010] The further improvement on the above technical solution is that the sound and light alarm device comprises a sound and light alarm lamp, one end of the sound and light alarm lamp is connected to one end of the E1 DC power supply, the other end of the sound and light alarm lamp is connected to one end of the first normally open contact of the emergency call intermediate relay, and the other end of the first normally open contact is connected to the other end of the E1 DC power supply; when the emergency call button is pressed, the emergency call intermediate relay works, the first normally open contact is closed, the sound and light alarm lamp is powered to work, and sound and light alarm is issued.
[0011] The further improvement on the above technical solution is that the voice alarm device comprises a controller and a loudspeaker, the working power supply end of the controller is connected to the E2 DC power supply; the signal input end of the controller is connected to one end of the second normally open contact of the emergency call intermediate relay, the other end of the second normally open contact is connected to the positive electrode of the E2 DC power supply, the signal input end of the controller is also connected to a resistor R, the other end of the resistor R is connected to the negative electrode of the E2 DC power supply; and the loudspeaker is connected to the signal output end of the controller.
[0012] The further improvement on the above technical solution is that the controller comprises a wireless sending module, the wireless sending module sends the emergency call information to the preset related user terminal; and the controller is a single-chip computer or a programmable logic controller (PLC).
[0013] The advantages and positive effects of this utility model compared with the prior art are:
[0014] 1. Compared with conventional self-rescue methods in cold storage, the cold storage rescue system of this utility model can effectively transmit alarm information to the outside world when there is a power outage, communication line failure, or no other personnel at the cold storage site. This avoids the situation where personnel inside the cold storage are trapped inside for a long time due to power outages or communication line failures causing conventional rescue measures to fail, or due to the absence of personnel at the cold storage site.
[0015] 2. This utility model has multiple functions and is convenient, safe and reliable to operate. Attached Figure Description
[0016] Figure 1 This is a circuit diagram of a rescue system inside a cold storage facility according to this utility model.
[0017] Figure 2 yes Figure 1 Enlarged view of the uninterruptible power supply section;
[0018] Figure 3 yes Figure 1 Enlarged view of the voice alarm device.
[0019] The components in the diagram are numbered as follows: 1. Emergency light; 2. Emergency call button; 3. Uninterruptible power supply; 3.1. Intermediate relay for power failure; 3.2. AC / DC converter; 3.3. Battery; 3.4. DC / DC converter; 4. Intermediate relay for emergency call; 5. Audible and visual alarm device; 5.1. Audible and visual alarm light; 6. Voice alarm device; 6.1. Controller; 6.2. Speaker; 6.3. Wireless transmission module; 6.4. User terminal. Detailed Implementation
[0020] The present invention will be further described in detail below with reference to the accompanying drawings:
[0021] See Figures 1-3 This utility model discloses an embodiment of a cold storage emergency call system, comprising an emergency call device installed inside the cold storage. The emergency call device includes a normally lit emergency light 1, an emergency call button 2, an uninterruptible power supply 3, an emergency call intermediate relay 4, and control electronics installed inside the cold storage. An audible and visual alarm device 5 and a voice alarm device 6 are installed outside the cold storage. The emergency light 1, emergency call button 2, audible and visual alarm device 5, and voice alarm device 6 are all powered by the uninterruptible power supply 3. The normally open contact of the emergency call button 2 is connected in series in the power supply circuit of the emergency call intermediate relay 4. Multiple contacts of the emergency call intermediate relay 4 are respectively connected to the audible and visual alarm device 5 and the voice alarm device 6.
[0022] Further, the uninterrupted power supply 3 comprises a power-off intermediate relay 3.1, an AC / DC converter 3.2, a storage battery 3.3 and a DC / DC converter 3.4; the working power supply end of the power-off intermediate relay 3.1 and the AC / DC converter 3.2 is connected to the commercial power supply; the DC power supply output end of the AC / DC converter 3.2 is connected to the input end of the DC / DC converter 3.4; the positive and negative output ends of the storage battery 3.3 are connected to the first normally closed contact J6-1 and the second normally closed contact J6-2 of the power-off intermediate relay 3.1 respectively and then are connected in parallel to the DC power supply output end of the AC / DC converter 3.2.
[0023] Further, when the commercial power supply is powered, the power-off intermediate relay J6 is powered to work, the first normally closed contact J6-1 and the second normally closed contact J6-2 of the power-off intermediate relay J6 are disconnected, the storage battery 3.3 does not work, and the AC / DC converter 3.2 provides the DC power supply for the system; when the commercial power supply is powered off, the first normally closed contact J6-1 and the second normally closed contact J6-2 of the power-off intermediate relay J6 are connected to the output end of the storage battery 3.3, and the storage battery 3.3 provides the DC power supply for the system. When the controller is a programmable controller PLC, the working power supply uses a 24-volt DC power supply. When the controller of the embodiment is a single-chip microcomputer, the uninterrupted power supply 3 outputs two groups of DC low-voltage power, including an E1 DC power supply and an E2 DC power supply, the E1 is a 24-volt DC power supply, and the E2 DC power supply is a 5-volt DC power supply. The 24-volt DC power supply is used as the working power supply of the always-on emergency light 1, the emergency call button 2 and the sound and light alarm device 5, and the 5-volt DC power supply is used as the working power supply of the voice alarm device 6.
[0024] Further, the charging end of the storage battery 3.3 is connected to the third normally closed contact J6-3 and the fourth normally closed contact J6-4 of the power-off intermediate relay 3-1 respectively and then is connected to the commercial power supply, and when the commercial power supply is powered and the storage battery 3.3 does not work, the commercial power supply charges the storage battery 3.3.
[0025] Specifically, the sound and light alarm device 5 comprises a sound and light alarm lamp 5.1, one end of the sound and light alarm lamp 5.1 is connected to one end of the 24-volt DC power supply, the other end of the sound and light alarm lamp 5.1 is connected to one end of a normally open contact J-1 of the emergency call intermediate relay 4, and the other end of the normally open contact J-1 is connected to the other end of the 24-volt DC power supply; when the emergency call button 2 is pressed, the emergency call intermediate relay 4 works, the normally open contact J-1 is closed, the sound and light alarm lamp 5.1 is powered to work, and sound and light alarm is issued.
[0026] The voice alarm device 6 comprises a controller 6.1 and a loudspeaker 6.2, the working power end of the controller 6.1 is connected to a 5-volt DC power supply; the signal input end of the controller 6.1 is connected to one end of the normally open contact J-2 of the distress intermediate relay 4, the other end of the normally open contact J-2 is connected to the positive pole of the 5-volt DC power supply, the signal input end of the controller 6.1 is also connected to a resistor R, the other end of the resistor R is connected to the negative pole of the 5-volt DC power supply; the loudspeaker 6.2 is connected to the signal output end of the controller 6.1; when the emergency distress button 2 is pressed, the distress intermediate relay 4 works, the normally open contact J-2 of the distress intermediate relay 4 is closed, the signal input end level of the controller 6.1 is changed from ground to high, and the controller 6.1 broadcasts the voice distress signal from the loudspeaker 6.2.
[0027] Further, the controller 6.1 comprises a wireless sending module 6.3, the wireless sending module 6.3 sends the distress information to a preset related user terminal, for example, sends the information that a person is trapped to a plurality of recorded WeChats through a cloud platform.
[0028] Preferably, the controller 6.1 is a single-chip computer or a programmable controller PLC.
[0029] In specific implementation, the sound and light alarm device 5 and the voice alarm device 6 of the utility model are arranged outside the cold storage, and can avoid the obstruction of wireless signals in the closed cold storage. In actual production, the sound and light alarm device 5 and the voice alarm device 6 can be arranged in a box, and the box is fixed in a duty room or an office hall or other places convenient for supervision. In order to facilitate maintenance, the uninterrupted power supply 3 and the distress intermediate relay 4 are also arranged in the box together with the sound and light alarm device 5 and the voice alarm device 6, and the emergency light 1 and the emergency distress button 2 arranged inside the cold storage are connected to the box outside the cold storage by wires.
[0030] According to the number of cold storage doors, an emergency distress button 2 is arranged beside each cold storage door, and a normally on emergency light 1 is installed on the inner side of the door, so that the personnel in the cold storage can effectively observe the emergency distress button 2 in the cold storage, for example, the emergency distress button 2 in the cold storage has five, including JT1, JT2, JT3, JT4 and JT5, which are connected to respective distress intermediate relays J1, J2, J3, J4, J4, J5, Figure 1
[0031] When any one or more emergency call buttons 2 is pressed, the corresponding SOS relay is powered on, its first normally open contact J-1 and second normally open contact J-2 are closed, the corresponding audible and visual alarm 5.1 emits audible and visual alarm, and the controller 6.1 automatically identifies which refrigerator sends the alarm, and through the loudspeaker 6.2, the voice broadcast of which refrigerator has an emergency, and the personnel trapped information is sent to the related user terminal. Since the audible and visual alarm device uses 24-volt power supply, its alarm decibel value is high, plus voice broadcast and remote user terminal report, it can effectively avoid the freezing or more serious situation of the trapped personnel in the refrigerator.
[0032] The emergency call button 2 triggers three kinds of signals respectively: 1, the audible and visual alarm device 5 outside the door alarms by audible and visual way; 2, the control voice alarm device 6 plays the trapped personnel voice in the refrigerator in a loop, both of which are battery powered and can work stably when power is off. 3, the PLC controller can collect the trapped personnel information and send it to multiple recorded WeChat through the cloud platform. The PLC controller is provided with UPS power supply and can work stably when power is off. When the line of the emergency call button 2 is disconnected, it can also trigger the alarm signal.
[0033] When the personnel is trapped in the refrigerator and cannot open the refrigerator door, press the emergency call button 2 in the refrigerator, and through the audible and visual alarm device 5 beside the freezer door, the voice alarm device 6 in the hall and the remote alarm information pushing, three ways to ask for help from the outside world, to maximize the safety of the trapped personnel in the refrigerator.
[0034] Of course, the above description is not a limitation of the present application, and the present application is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled in the art within the scope of the present application also belong to the protection scope of the present application.
Claims
1. A cold storage warehouse in-warehouse help-seeking system, comprising an in-warehouse help-seeking device provided in a cold storage warehouse, characterized in that, The in-warehouse help-seeking device comprises a normally-on emergency light, an emergency call button, an uninterrupted power supply, an emergency call intermediate relay and a control electric control arranged in the cold storage, and an audible and visual alarm device and a voice alarm device arranged outside the cold storage; the emergency light, the emergency call button, the audible and visual alarm device and the voice alarm device are powered by the uninterrupted power supply, the normally-open contact of the emergency call button is connected in series in the power supply loop of the emergency call intermediate relay, and the multiple contacts of the emergency call intermediate relay are connected to the audible and visual alarm device and the voice alarm device respectively.
2. The cold storage in-store help-seeking system according to claim 1, characterized in that, The uninterrupted power supply comprises a power-off intermediate relay, an AC / DC converter, a storage battery and a DC / DC converter; the working power supply end of the power-off intermediate relay and the AC / DC converter is connected to the commercial power supply; the DC power supply output end of the AC / DC converter is connected to the input end of the DC / DC converter; the positive and negative output ends of the storage battery are connected to the first and second normally-closed contacts of the power-off intermediate relay respectively and then connected in parallel to the DC power supply output end of the AC / DC converter.
3. The cold storage in-store help-seeking system according to claim 2, characterized in that, When the commercial power supply is powered, the power-off intermediate relay is powered to work, the first and second normally-closed contacts of the power-off intermediate relay are disconnected, the storage battery is not working, and the AC / DC converter provides DC power supply for the system; when the commercial power supply is powered off, the first and second normally-closed contacts of the power-off intermediate relay are connected to the output end of the storage battery, the storage battery provides DC power supply for the system, and the uninterrupted power supply outputs two groups of DC low-voltage power, namely E1 DC power and E2 DC power, the E1 DC power is used as the working power supply of the normally-on emergency light, the emergency call button and the audible and visual alarm device, and the E2 DC power is used as the working power supply of the voice alarm device.
4. The cold storage in-store help-seeking system according to claim 2 or 3, characterized in that, The charging end of the storage battery is connected to the third and fourth normally-closed contacts of the power-off intermediate relay and then connected to the commercial power supply, and when the commercial power supply is powered and the storage battery is not working, the commercial power supply charges the storage battery.
5. The cold storage warehouse help-seeking system according to any one of claims 1-3, characterized in that, The audible and visual alarm device comprises an audible and visual alarm lamp, one end of the audible and visual alarm lamp is connected to one end of the E1 DC power supply, the other end of the audible and visual alarm lamp is connected to one end of the first normally-open contact of the emergency call intermediate relay, and the other end of the first normally-open contact is connected to the other end of the E1 DC power supply.
6. The cold storage in-store help-seeking system according to claim 4, characterized in that, The audible and visual alarm device comprises an audible and visual alarm lamp, one end of the audible and visual alarm lamp is connected to one end of the E1 DC power supply, the other end of the audible and visual alarm lamp is connected to one end of the first normally-open contact of the emergency call intermediate relay, and the other end of the first normally-open contact is connected to the other end of the E1 DC power supply.
7. The cold storage warehouse in-warehouse help-seeking system according to any one of claims 1-3, characterized in that, The voice alarm device comprises a controller and a loudspeaker, the working power supply end of the controller is connected to the E2 DC power supply; one end of the signal input end of the controller is connected to one end of the second normally-open contact of the emergency call intermediate relay, the other end of the second normally-open contact is connected to the positive electrode of the E2 DC power supply, the signal input end of the controller is also connected to a resistor R, the other end of the resistor R is connected to the negative electrode of the E2 DC power supply; the loudspeaker is connected to the signal output end of the controller.
8. The cold storage in-store help-seeking system according to claim 6, characterized in that, The voice alarm device comprises a controller and a loudspeaker, the working power supply end of the controller is connected to the E2 direct current power supply; one end of the second normally open contact of the distress call intermediate relay is connected to the signal input end of the controller, the other end of the second normally open contact is connected to the positive pole of the E2 direct current power supply, the signal input end of the controller is also connected to the resistor R, the other end of the resistor R is connected to the negative pole of the E2 direct current power supply; the loudspeaker is connected to the signal output end of the controller.
9. The cold storage in-store help-seeking system according to claim 7, characterized in that, The controller comprises a wireless sending module, the wireless sending module sends the distress call information to the preset related user terminal; the controller is a single-chip computer or a programmable controller PLC.
10. The cold storage in-store help-seeking system according to claim 8, characterized in that, The controller comprises a wireless sending module, the wireless sending module sends the distress call information to the preset related user terminal; the controller is a single-chip computer.