阅读说明：本技术 一种陪护床的锁装置 (Lock device of accompanying bed ) 是由 杨开建 于 2019-12-25 设计创作，主要内容包括：本发明的陪护床的锁装置,设置于陪护床上,所述陪护床的收纳装置上设有锁环,锁装置包括机械锁单元与无线通信单元,陪护床运动至收纳装置时,锁环进入机械锁单元后机械锁单元内的锁舌将锁环锁紧；所述无线通信单元含有防盗用的控制电路,所述控制电路在锁装置靠近锁环时,控制无线通信单元开始工作向远程服务器发送信息,在锁装置远离锁环时,控制无线通信单元停止工作。有益效果：通过增设了防盗用的控制电路解决了使用者的盗用问题；并将锁装置由设置于收纳装置上改为设置于陪护床上,提高了陪护床租用过程中的便利。(The lock device of the accompanying bed is arranged on the accompanying bed, the containing device of the accompanying bed is provided with the lock ring, the lock device comprises a mechanical lock unit and a wireless communication unit, and when the accompanying bed moves to the containing device, the lock ring enters the mechanical lock unit and then a lock tongue in the mechanical lock unit locks the lock ring; the wireless communication unit comprises an anti-theft control circuit, the control circuit controls the wireless communication unit to start working to send information to the remote server when the lock device is close to the lock ring, and controls the wireless communication unit to stop working when the lock device is far from the lock ring. Has the advantages that: the theft prevention control circuit is additionally arranged to solve the theft problem of a user; and the lock device is changed from being arranged on the containing device to being arranged on the accompanying bed, so that the convenience of the accompanying bed in the renting process is improved.)

1. A lock device of a bed for accompanying and attending is arranged on the bed for accompanying and attending, a lock ring is arranged on a containing device of the bed for accompanying and attending, and the lock device is characterized in that the lock device comprises a mechanical lock unit and a wireless communication unit, when the bed for accompanying and attending moves to the containing device, the lock ring enters the mechanical lock unit and then a lock tongue in the mechanical lock unit locks the lock ring; the wireless communication unit comprises an anti-theft control circuit, the control circuit controls the wireless communication unit to start working to send information to the remote server when the lock device is close to the lock ring, and controls the wireless communication unit to stop working when the lock device is far from the lock ring.

2. The lock device of a bed for accompanying nursing as claimed in claim 1, wherein said control circuit is a reed switch, said locking ring is mounted on the receiving means through a mounting plate, said mounting plate is provided with a magnet at a position corresponding to said reed switch when the bed for accompanying nursing is in the receiving state.

3. The lock device of a nursing bed as claimed in claim 1, wherein the wireless communication unit comprises an NB communication module, a control chip, a lock execution circuit and a wake-up execution circuit, the NB communication module is composed of an NB communication chip and a SIM card holder, and the SIM card holder is connected with the control chip through the NB communication chip; the awakening execution circuit comprises a first resistor and a first triode, the awakening device is connected to a collector of the first triode, and a base of the first triode is in communication connection with the control chip through the first resistor; the lock execution circuit is in communication connection with the motor and consists of a second resistor and a second triode, and the base of the triode is in communication connection with the control chip through the load resistor; the reed switch is in communication connection with the control chip.

4. The lock device of a nursing bed as claimed in claim 3, wherein the lock device further comprises a switch circuit, the switch circuit controls the on/off of the current in the control chip, the lock execution circuit and the wake-up execution circuit in the lock device, and is provided with a charging interface.

5. The lock device of the accompanying bed as claimed in claim 4, further comprising a wake-up device, wherein the wake-up device is disposed on the bed frame of the accompanying bed and comprises a touch pad, a conductive sponge and a capacitance sensing touch device, the touch pad is connected with the capacitance sensing touch device through the conductive sponge, and the capacitance sensing touch device is in communication connection with the control chip through the wake-up execution circuit.

6. The lock device of a bed for accompanying and nursing as claimed in claim 2, wherein said capacitive sensing touch device is installed in a fixture comprising a plastic housing and a mounting bracket, said fixture being installed on a frame of the bed for accompanying and nursing.

7. The lock device of a nursing bed as claimed in claim 1, further comprising an unlocking prompt circuit, wherein the unlocking prompt circuit is mainly composed of a buzzer and a third transistor, the buzzer is connected to a collector of the third transistor, and a base of the third transistor is in communication connection with the control chip through a resistor.

8. The lock device of an escort bed according to claim 1, wherein the mechanical lock unit comprises a housing, a latch unit, an unlocking cam and a motor, the latch unit comprises a lever member, a latch, a spring and a torsion spring, the housing is provided with a notch corresponding to the locking ring, the latch is rotatably provided at the notch of the housing through the torsion spring, the latch is provided with a locking groove and a locking end for locking the locking ring, one end of the lever member is rotatably connected to the housing, the other end of the lever member is provided with a step for hooking the locking end and is connected with the housing through the spring, when the locking ring enters the notch, the latch is pushed to rotate, the locking ring falls into the locking groove, the lever member is abutted against the locking end through the step to prevent the latch from resetting to realize locking with the locking ring, and the unlocking cam is driven to rotate by the motor.

9. The lock device of the accompanying nursing bed as claimed in claim 8, wherein the lever member is provided with a protrusion corresponding to the cam surface of the unlocking cam, the unlocking cam is driven by the motor to rotate and drives the lever member to rotate through the protrusion abutted by the cam surface, the step abutted against the locking end is separated from the locking end, and the lock tongue is reset under the action of the torsion spring to realize unlocking.

10. The lock device of a bed as claimed in claim 8, wherein two point-contact switches are further provided in the lock device corresponding to the latch and the lever member, respectively, and the latch and the lever member are provided with protrusions for triggering the point-contact switches, respectively.

Technical Field

The invention relates to the field of medical accompanying and attending equipment, in particular to a lock device of an accompanying and attending bed.

Background

At present, in medical places such as hospitals and health centers, in order to facilitate accompanying of patients and family members or caregivers, a bed for taking a rest and staying overnight is rented, but a large number of beds with remote control locks are available on the market at present, but due to the design defects of the machinery and the control structure of the control locks, a user only needs to adopt a ring piece such as a pin to reset a lock tongue in the control lock after the bed is unlocked, the timing and communication functions of a communication module in the control lock are shielded, and therefore the monitoring of the use state and the use duration of the bed by a remote server is bypassed, so that the stealing behavior is caused to occur occasionally, and the benefit of a manufacturer is infringed.

On the other hand, the lock devices of the accompanying beds with the remote control locks are arranged on the storage devices at present, and the information such as the use duration and the state of the storage beds is bound with the lock devices, so that the accompanying beds must be bound with the corresponding storage devices, inconvenience is caused when a patient returns after cross-floor leasing, and limitation is caused to the leasing range of the accompanying beds.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides the lock device of the accompanying bed, which can prevent the theft and is arranged on the accompanying bed, solves the problem of the theft, also improves the convenience of the accompanying bed in the renting process, and is realized by the following technical scheme:

the lock device of the accompanying bed is arranged on the accompanying bed, a lock ring is arranged on the storage device of the accompanying bed, the lock device comprises a mechanical lock unit and a wireless communication unit, and when the accompanying bed moves to the storage device, the lock ring enters the mechanical lock unit and then a lock tongue in the mechanical lock unit locks the lock ring; the wireless communication unit comprises an anti-theft control circuit, the control circuit controls the wireless communication unit to start working to send information to the remote server when the lock device is close to the lock ring, and controls the wireless communication unit to stop working when the lock device is far from the lock ring.

The lock device of the accompanying bed is further designed in that the control circuit is a reed pipe, the lock ring is installed on the accommodating device through an installation plate, and a magnet is arranged on the installation plate corresponding to the reed pipe when the accompanying bed is in an accommodating state.

The lock device of the accompanying bed is further designed in that the wireless communication unit comprises an NB communication module, a control chip, a lock execution circuit and a wake-up execution circuit, wherein the NB communication module is formed by connecting an NB communication chip and an SIM card seat, and the SIM card seat is connected with the control chip through the NB communication chip in a communication way; the awakening execution circuit comprises a first resistor and a first triode, the awakening device is connected to a collector of the first triode, and a base of the first triode is in communication connection with the control chip through the first resistor; the lock execution circuit is in communication connection with the motor and consists of a second resistor and a second triode, and the base of the triode is in communication connection with the control chip through the load resistor; the reed switch is in communication connection with the control chip.

The lock device of the accompanying bed is further designed in that the lock device further comprises a switch circuit, the switch circuit controls a control chip, a lock execution circuit and the on-off of current in the lock device and awakens the execution circuit, and a charging interface is arranged.

The lock device of the accompanying bed is further designed to further comprise a wake-up device, wherein the wake-up device comprises a touch pad, conductive sponge and a capacitance induction touch device, the touch pad is connected with the capacitance induction touch device through the conductive sponge, and the capacitance induction touch device is in communication connection with the control chip through a wake-up execution circuit.

The lock device of the accompanying bed is further designed in that the capacitance induction touch device is installed in a fixing part formed by a plastic mounting shell and a mounting support, and the fixing part is arranged on a bed frame of the accompanying bed.

The lock device of the accompanying bed is further designed in that the lock device further comprises an unlocking prompt circuit, and the unlocking prompt circuit mainly comprises a buzzer and a third triode. The buzzer is connected to the collector of the third triode, and the base of the third triode is in communication connection with the control chip through a resistor.

The lock device of the accompanying bed is further designed in that the mechanical lock unit comprises a shell, a lock catch unit, an unlocking cam and a motor, the lock catch unit comprises a lever piece, a spring bolt, a spring and a torsion spring, the shell is provided with a notch corresponding to the locking ring, the spring bolt is rotatably arranged at the notch of the shell through the torsion spring, the spring bolt is provided with a lock groove and a clamping end used for locking the locking ring, one end of the lever piece is rotatably connected to the shell, the other end of the lever piece is provided with a step used for hooking the clamping end, the spring is connected with the shell, the spring is pushed to abut against the spring bolt to rotate when the locking ring enters the notch, the locking ring falls into the lock groove, the lever piece abuts against the clamping end through the step to prevent the spring bolt from being reset to realize tight locking with the locking.

The further design of the lock device of the accompanying bed is that, a cam surface corresponding to the unlocking cam on the lever part is provided with a protrusion, the unlocking cam is driven by the motor to rotate, the protrusion is pressed against the cam surface to drive the lever part to rotate, the step which is pressed against the clamping end is separated from the clamping end, and the spring bolt is reset under the action of the torsional spring to realize unlocking.

The further design of the lock device of the accompanying bed is that two point contact switches are arranged in the lock device corresponding to the lock tongue and the lever part respectively, and convex blocks used for triggering the contact switches are arranged on the lock tongue and the lever part respectively.

The invention has the following advantages:

the lock device of the accompanying bed solves the problem of embezzlement of a user by additionally arranging the control circuit for embezzlement prevention; and the lock device is changed from being arranged on the containing device to being arranged on the accompanying bed, so that the convenience of the accompanying bed in the renting process is improved.

Drawings

FIG. 1 is a schematic diagram of a lock execution circuit.

FIG. 2 is a wake-up execution circuit diagram.

Fig. 3 is a schematic diagram of a control chip.

Fig. 4 is a schematic diagram of an NB communication module.

Fig. 5 is a transformer circuit.

Fig. 6 is an unlocking prompt circuit.

Fig. 7 is a schematic view of the lock device.

Fig. 8 is a three-dimensional schematic view of the lock device structure.

Fig. 9 is a schematic diagram of a wake-up unit.

Fig. 10 is a circuit diagram of the control circuit.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.

The lock device of the accompanying bed is arranged on the accompanying bed, and the containing device of the accompanying bed is provided with a lock ring 8 which mainly comprises a mechanical lock unit and a wireless communication unit. When the accompanying bed moves to the containing device, the lock ring enters the mechanical lock unit and then the lock tongue 1 in the mechanical lock unit locks the lock ring 8. The wireless communication unit contains an anti-theft control circuit that controls the wireless communication unit to start operating to send information to the remote server when the lock device is close to the lock ring 8 and to stop operating when the lock device is far from the lock ring 8.

As shown in fig. 7 and 8, the mechanical lock unit is mainly composed of a housing 6, a locking unit, an unlocking cam 5 and a motor 3. The latch unit is composed of a lever member 2, a latch bolt 1, a spring 22, a housing 0, and a torsion spring (not shown). The housing 0 is provided with a notch corresponding to the locking ring 8. The spring bolt 1 is rotatably arranged at the notch of the shell 0 through a torsion spring. The bolt 1 is provided with a locking groove 11 and a clamping end 14 for locking the locking ring 8. One end of the lever member 32 is rotatably connected to the housing 0, and the other end is provided with a step 325 for hooking the engaging end 314, and is connected to the housing 0 through a spring 322. When the lock ring 8 enters the notch, the lock tongue 31 is pushed to rotate, and the lock ring 8 falls into the lock groove 311. The lever member 2 resists the bolt from resetting through the step 25 and the clamping end 14 to realize locking with the lock ring. The unlocking cam 35 is driven to rotate by the motor 33.

The lever member 2 is provided with a projection 24 corresponding to the cam surface of the unlocking cam 5. The unlocking cam 5 is driven by the motor 3 to rotate and drives the lever member 2 to rotate through the cam surface abutting protrusion 24, the step 25 abutting against the clamping end 14 is separated from the clamping end 14, and the spring bolt 1 is reset under the action of the torsion spring to realize unlocking.

The lock device is also provided with two point touch switches 13 and 23 corresponding to the bolt 1 and the lever member 2 respectively, and the bolt 1 and the lever member 2 are provided with convex blocks 12 and 21 used for triggering the touch switches respectively. When the bolt 1 enters the locking ring 8 state from the free state, the convex block 12 triggers the point contact switch 13 to acquire the signal of the locking ring 8. When the locking cam is driven by the motor to separate from the protrusion, the spring 22 pushes the lever member 2 to rotate until the step 25 of the lever member 2 abuts against the clamping end 314 of the lock tongue 1, the convex block 21 of the lever member 2 triggers the point contact switch 23, and a signal of locking the lock tongue by the lever member is acquired.

The wireless communication unit of the embodiment mainly comprises an NB communication module, a control chip, a control circuit, a lock execution circuit, and a wake-up execution circuit. The control chip of the present embodiment adopts an STM32F051C8T6 chip, see fig. 3. As shown in fig. 4, the NB communication module is formed by connecting an NB communication chip and a SIM card socket. The SIM card seat is connected with the control chip through the NB communication chip in a communication way. The wireless communication unit is located in a corresponding area 34 of the housing 0, next to which area 34 is a battery 37. The NB communication chip used in this embodiment is an NBT23 chip.

In this embodiment, the control circuit is a reed switch 10, and the reed switch 10 is in communication connection with the control chip, as shown in fig. 10. The locking ring 8 is mounted on the receiving means by a mounting plate 7. The mounting plate 71 is provided with a magnet (not shown) at a position corresponding to the reed pipe (corresponding to a boss at the lower portion of the mounting plate 81) when the bed is in the storage state. The middle part of mounting panel 7 is equipped with the location step, and the catch is connected with mounting panel 7 through connecting plate 81. The mounting plate 7 and the connecting plate 81 are provided with corresponding connecting holes, and the connection between the mounting plate and the connecting plate is realized by penetrating and connecting screws in the connecting holes, so that the alignment between the magnet and the reed switch 10 is completed. The reed switch 10 of this embodiment may also be replaced by a hall sensor with higher cost as another alternative implementation, and the function of the control circuit can also be achieved by using an optical sensor, and the technical means mentioned in the above implementation are all implementable by those skilled in the art, and are not described herein again.

Referring to fig. 2, the wake-up performing circuit includes a resistor R5 and a transistor Q3, the wake-up apparatus is connected to the collector of the transistor Q3, and the base of the transistor Q3 is communicatively connected to the control chip through a resistor R5. The function of the awakening execution circuit is to realize 'reset' operation on the awakening device when the lock device is locked.

As shown in the figure 1, the lock execution circuit is in communication connection with the motor, the lock execution circuit is composed of a load resistor R3 and a triode Q1, and the base of the triode Q1 is in communication connection with the control chip through a load resistor R3.

The lock device of this embodiment further includes an unlocking prompt circuit, which is mainly composed of a buzzer and a triode, as shown in fig. 6. The buzzer is connected with the collector of a triode Q2, and the base of the triode Q2 is in communication connection with the control chip through a resistor R4.

As shown in fig. 5, the lock device of this embodiment further includes a transformer circuit, which is formed by connecting an XC6203 chip with capacitors C1, C2, C3, and C4, and implements 3.7v of dc voltage output.

As shown in fig. 9, the lock device of this embodiment further includes a wake-up device, the wake-up device is disposed on the bed frame of the accompanying bed, and the wake-up device mainly includes a touch pad 95, a conductive sponge 94 and a capacitive sensing touch device 92. The touch pad 95 is connected with the capacitance sensing touch device 92 through the conductive sponge 94, and the capacitance sensing touch device is in communication connection with the control chip through the wake-up execution circuit. In this embodiment, the touch pad 165 is an acrylic panel, and the capacitive sensing touch pad 162 is mounted in a fixing member composed of a plastic mounting case 163 and a mounting bracket 161, as shown in fig. 9. The fixing piece is arranged on the bedstead.

The accompanying bed of this embodiment is pasted the sign that the locking device was awaken up in the instruction in bedstead corresponding position. When the user needs to awaken the lock device, the user touches the identification area, the bedstead triggers a working signal to a control chip in the lock device through the awakening execution circuit through the conductive rubber, and the lock device is electrified to enter a working state. At the moment, the lock device is in a waiting state until a user scans the two-dimensional code or the bar code with the payment information on the bed frame, after the operations of registration, recharging and the like are completed, the server sends a working instruction to the lock device, and the lock device completes unlocking action through the working instruction received by the NB communication module of the wireless communication unit so that the user can take away the accompanying bed. Similarly, after the user finishes using the accompanying bed, the accompanying bed is taken into the storage device, the point contact switch in the lock device collects the corresponding trigger signal, the NB communication module sends a use stop signal to the remote server, the timing of the use process is completed, and the use rent is settled.

The storage cabinet of the accompanying bed in the embodiment is convenient to remotely manage and use by adopting the lock device, and saves human resources in hospitals and sanitary stations.

On the other hand, the wake-up device specially suitable for the storage cabinet of the accompanying bed and the corresponding control circuit are designed, so that the standby time of the storage cabinet of the accompanying bed is greatly prolonged, and the maintenance is facilitated; furthermore, the anti-theft control circuit is additionally arranged to solve the problem of theft of users; and the lock device is changed from being arranged on the containing device to being arranged on the accompanying bed, so that the convenience of the accompanying bed in the renting process is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.