CN114370203B - Door lock system of environmental test chamber and door lock control method of environmental test chamber - Google Patents
Door lock system of environmental test chamber and door lock control method of environmental test chamber Download PDFInfo
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- CN114370203B CN114370203B CN202210005240.5A CN202210005240A CN114370203B CN 114370203 B CN114370203 B CN 114370203B CN 202210005240 A CN202210005240 A CN 202210005240A CN 114370203 B CN114370203 B CN 114370203B
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
- E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0067—Monitoring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to the technical field of test equipment, and discloses an environmental test chamber door lock system and an environmental test chamber door lock control method. The environment test box door lock system comprises a box body and a box door; the electromagnetic lock is arranged between the box body and the box door and used for controlling the unlocking or locking of the box door; the monitoring device can monitor whether the test is finished or not and output a control signal, when the test is finished, the monitoring device outputs a first control signal, and when the test is not finished, the monitoring device outputs a second control signal; the temperature sensing device is used for monitoring the temperature and outputting a temperature signal; and the controller is electrically connected with the electromagnetic lock and can receive the control signal and the temperature signal so as to control the opening or closing of the electromagnetic lock. The control method comprises the following steps: the temperature sensing device acquires a temperature signal; the monitoring device generates a control signal; the controller judges whether to open the electromagnetic lock according to the temperature signal and the control signal. The safety accident caused by the fact that personnel open the box door by mistake is prevented, and the use safety is improved.
Description
Technical Field
The invention relates to the technical field of test equipment, in particular to an environmental test chamber door lock system and an environmental test chamber door lock control method.
Background
The temperature environment test chamber is a test chamber for simulating natural environment, is necessary test equipment in the fields of aviation, automobiles, household appliances, scientific research and the like, is mainly used for detecting whether products are resistant to high and low temperatures, and is used for testing and determining parameters and performances of electricians, electronics and other products and materials after temperature environment changes of high temperature, low temperature or constant test.
Temperature environment test chambers can provide simulated ambient temperatures down to-70 ℃ and up to 300 ℃ or even greater, with the door of the chamber currently being closed or opened by a mechanical lock. The operator is reminded by training the operator and posting a high temperature scald or low temperature frostbite identification or posting a "use notice" to remind the operator not to open the door at high or low temperatures. Although training or posting reminding can ensure that the operators of the temperature environment test box cannot be scalded at high temperature or frostbitten at low temperature to a certain extent in the using process; however, the operation of the personnel is inevitable, and some accidents sometimes occur, for example, the temperature in the test box is not confirmed by neglect at a moment, namely the box door is opened to the test box to operate the test sample or other treatments are carried out, at this moment, if the temperature in the test box exceeds the feeling of the human body, discomfort can be caused to the operator, and high-temperature scald or low-temperature frostbite can be generated in serious cases.
Disclosure of Invention
Based on the above, the invention aims to provide an environmental test chamber door lock system and an environmental test chamber door lock control method, which can prevent safety accidents caused by mistaken opening of personnel and improve the use safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
an environmental test cabinet door lock system comprising:
the test device comprises a box body, a test chamber and a test device, wherein the box body is internally provided with the test chamber;
the box door is arranged on the box body;
the electromagnetic lock is arranged between the box body and the box door, the opening of the electromagnetic lock is used for controlling the unlocking of the box door, and the closing of the electromagnetic lock is used for controlling the locking of the box door;
the monitoring device can monitor whether the test in the test cavity is finished or not and output a control signal, when the test in the test cavity is finished, the monitoring device outputs a first control signal, and when the test in the test cavity is not finished, the monitoring device outputs a second control signal;
the temperature sensing device is used for monitoring the temperature in the test cavity and outputting a temperature signal;
the controller, with electromagnetic lock electric connection to can receive control signal with temperature signal, in order to control opening or closing of electromagnetic lock, work as the controller is received first control signal, just when temperature signal reaches the preset scope, control the electromagnetic lock is opened, works as the controller is received second control signal, perhaps when temperature signal surpassed the preset scope, control the electromagnetic lock is closed.
As a preferred scheme of the environmental test box door lock system, the system further comprises:
the monitoring device can monitor whether the mechanical lock is opened or not and output a control signal, when the mechanical lock is opened, the monitoring device outputs a third control signal, and when the mechanical lock is not opened, the monitoring device outputs a fourth control signal;
when the controller receives the third control signal and the temperature signal reaches a preset range, the electromagnetic lock is controlled to be opened, and when the controller receives the fourth control signal or the temperature signal exceeds the preset range, the electromagnetic lock is controlled to be closed.
As an environmental test case lock system's preferred scheme, monitoring device includes pressure sensor, pressure sensor connect in the mechanical lock can detect whether there is the operation of opening in the mechanical lock.
As an environmental test case lock system's preferred scheme, the electromagnetic lock includes lock body and locking plate, the lock body with the locking plate sets up respectively the box with on the chamber door, the lock body with controller electric connection, the controller can control the lock body actuation or release the locking plate.
As an environmental test case lock system's preferred scheme, the electromagnetic lock still includes the lock seat, the lock seat sets up on the chamber door, the locking plate sets up on the lock seat.
As a preferred scheme of the lock system of the environmental test box door, the mechanical lock comprises a first connecting body and a second connecting body, the first connecting body and the second connecting body are respectively arranged on the box body and the box door, the first connecting piece and the second connecting piece can be mutually connected or separated, and the first detection piece is arranged on the first connecting body or the second connecting body.
As a preferable scheme of the environmental test box door lock system, one of two adjacent side parts of the box body and/or the box door is provided with the mechanical lock, and the other is provided with the electromagnetic lock.
As a preferred scheme of the environmental test box door lock system, the system further comprises:
the input device is electrically connected with the controller, the input device can input various test signals, and the controller can receive various test signals.
The method for controlling the environmental test box door lock is realized by any one of the environmental test box door lock systems, and comprises the following steps of:
s1: the temperature sensing device acquires the temperature in the test cavity and outputs the temperature signal;
s2: the monitoring device generates the control signal;
s3: and the controller judges whether to open the electromagnetic lock according to the temperature signal and the control signal.
As a preferable scheme of the environmental test chamber door lock control method, the generating of the control signal by the monitoring device includes: the monitoring device monitors whether the test in the test cavity is finished or not, outputs a first control signal when the monitoring test process is finished, and outputs a second control signal when the monitoring test process is not finished;
the controller judges whether to open the electromagnetic lock according to the temperature signal and the control signal and comprises the following steps: when the control signal is a first control signal and the temperature signal reaches a preset range, the electromagnetic lock is controlled to be opened, and when the control signal is a second control signal or the temperature signal exceeds the preset range, the electromagnetic lock is controlled to be closed.
The beneficial effects of the invention are as follows:
according to the door lock system of the environmental test box, the electromagnetic lock is arranged between the box body and the box door, the monitoring device is used for monitoring whether the test is finished or not, and the temperature sensing device is used for monitoring the temperature in the test cavity, so that the opening and closing of the door lock system of the environmental test box are realized by controlling the opening or closing of the electromagnetic lock through the controller according to the temperature signal and the control signal, and the safety is improved. When the monitoring device monitors that the test is finished and the temperature in the test cavity monitored by the temperature sensing device reaches a preset range, namely a condition of opening the box door is reached, the controller controls the electromagnetic lock to be opened, namely the box door can be opened, so that an operator can operate in the test cavity; when the monitoring device monitors that the test is not finished, or the temperature in the test cavity monitored by the temperature sensing device exceeds a preset range, namely the temperature does not reach the opening condition of the box door, the controller controls the electromagnetic lock to be closed, namely the box door cannot be opened. Under the above conditions, only when the test in the experimental chamber is finished and the temperature reaches the opening condition, the box door can be opened, so that the situation that the safety accident is caused when the personnel mistakenly open the box door can be effectively prevented, and the use safety of the environmental test box door lock system is improved.
The invention also provides a control method of the environmental test box door lock, which respectively outputs a temperature signal and a control signal to the controller through the temperature sensing device and the monitoring device, and the controller judges whether to open the electromagnetic lock according to the temperature signal and the control signal. By the control method, test interruption and even safety accidents caused by mistaken opening of the box door by personnel can be effectively prevented, and personal safety and test progress of operators are guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a door lock system of an environmental test chamber according to an embodiment of the present invention;
FIG. 2 is a side view of an environmental test chamber door lock system provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram II of a door lock system of an environmental test chamber according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an environmental test chamber door lock system provided by an embodiment of the present invention;
FIG. 5 is a flow chart of a control method for an environmental test chamber door lock provided by the invention;
FIG. 6 is a flowchart illustrating a method for controlling a lock of a door of an environmental test chamber according to an embodiment of the present invention;
fig. 7 is a flowchart of an environmental test chamber door lock control method according to a second embodiment of the present invention.
In the figure:
1. a box body; 2. a box door; 3. an electromagnetic lock; 31. a lock body; 32. a locking plate; 33. a lock seat; 4. a mechanical lock; 41. a first connecting body; 42. a second connector; 43. a handle; 5. an input device; 6. a control box; 7. a base; 81. a controller; 82. a monitoring device; 83. a temperature sensing device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
As shown in fig. 1 to 6, the present embodiment provides an environmental test chamber door lock system, which includes a chamber body 1, a chamber door 2, an electromagnetic lock 3, a monitoring device 82, a temperature sensing device 83 and a controller 81, wherein a test chamber is provided in the chamber body 1, the chamber door 2 is provided on the chamber body 1, the electromagnetic lock 3 is installed between the chamber body 1 and the chamber door 2, the electromagnetic lock 3 is opened for controlling unlocking of the chamber door 2, and the electromagnetic lock 3 is closed for controlling locking of the chamber door 2. The monitoring device 82 is capable of monitoring whether the test in the test chamber is finished and outputting a control signal, when the test in the test chamber is finished, the monitoring device 82 outputs a first control signal, and when the test in the test chamber is not finished, the monitoring device 82 outputs a second control signal. The temperature sensing device 83 is used for monitoring the temperature in the test chamber and outputting a temperature signal. The controller 81 is electrically connected with the electromagnetic lock 3 and can receive the control signal and the temperature signal to control the opening or closing of the electromagnetic lock 3, when the controller 81 receives the first control signal and the temperature signal reaches a preset range, the electromagnetic lock 3 is controlled to be opened, and when the controller 81 receives the second control signal or the temperature signal exceeds the preset range, the electromagnetic lock 3 is controlled to be closed.
The electromagnetic lock 3 is arranged between the box body 1 and the box door 2, whether the test is finished or not is monitored through the monitoring device 82, and the temperature in the test cavity is monitored through the temperature sensing device 83, so that the opening and closing of the environment test box door lock system are realized by controlling the opening or closing of the electromagnetic lock 3 through the controller 81 according to the temperature signal and the control signal, and the safety is improved. When the monitoring device 82 monitors that the test is finished and the temperature in the test chamber monitored by the temperature sensing device 83 reaches a preset range, namely a condition of opening the door 2 is reached, the controller 81 controls the electromagnetic lock 3 to be opened, namely the door 2 can be opened, so that an operator can operate in the test chamber; when the monitoring device 82 monitors that the test is not finished, or the temperature in the test chamber monitored by the temperature sensing device 83 exceeds a preset range, that is, the temperature does not reach the opening condition of the door 2, the controller 81 controls the electromagnetic lock 3 to close, that is, the door 2 cannot be opened. Under the above conditions, only when the experiment that satisfies the test intracavity simultaneously finishes and the temperature reaches the condition of opening, chamber door 2 can only open, can prevent effectively that personnel from opening chamber door 2 by mistake and causing incident etc. has improved this environmental test case lock system's safety in utilization.
The environmental test box door lock system provided by the embodiment can be used for various test devices, and is exemplarily used for a temperature environment test device for detecting the high and low temperature resistance of a product, such as testing the parameters and performances of an electrician, an electronic or other product and materials after the high temperature, the low temperature or the constant temperature environment changes. And (3) putting a product to be tested into the test cavity, wherein the temperature in the test cavity can be adjusted according to the required conditions of the test. Through adopting this environmental test case lock system, carrying out temperature environment test in-process, can avoid taking place operating personnel maloperation and open dangerous condition such as chamber door 2 and lead to high temperature scald or low temperature frostbite.
Optionally, the preset range can be 10-40 ℃, so that the operator is prevented from being scalded or frostbitten, and the safety of the door lock system of the environmental test box is improved. Of course, in other embodiments, the preset range may be set according to the requirement.
Specifically, one side of the case 1 is provided with a control box 6, and the controller 81 is provided in the control box 6. The structure is compact, and the controller 81 is convenient to overhaul.
Preferably, this environmental test case lock system still includes base 7, and box 1 and chamber door 2 all are located the upper end of base 7, and chamber door 2 one side is articulated with box 1 one side, and the chamber door 2 of being convenient for opens and shuts for box 1. More preferably, one of two side portions adjacent between the cabinet 1 and the door 2 is provided with an electromagnetic lock 3, and the other is provided with a mechanical lock 4. Under the structure, when the box body 1 and the box door 2 are closed, the four sides are provided with the supporting or connecting relation, so that the stability of the box body 1 and the box door 2 is ensured, and the reliability of the environmental test box door lock system is improved.
As shown in fig. 3, the electromagnetic lock 3 includes a lock body 31 and a lock plate 32, the lock body 31 and the lock plate 32 are respectively disposed on the box body 1 and the box door 2, the lock body 31 is electrically connected to the controller 81, and the controller 81 can control the lock body 31 to suck or release the lock plate 32. The controller 81 can control the lock body 31 to be in the on state, that is, the lock body 31 has magnetic attraction to attract the locking plate 32, so that the electromagnetic lock 3 is in the second locking state, the controller 81 can also control the lock body 31 to be in the off state, that is, the lock body 31 does not have magnetic attraction, and the lock body 31 and the locking plate 32 cannot attract each other, so that the electromagnetic lock 3 is opened. More specifically, the locking piece 32 is fixed on the door 2 through the lock seat 33, that is, the lock seat 33 is installed on the door 2, and the locking piece 32 is fixed on the lock seat 33, so as to improve the stability of the locking piece 32, and thus improve the locking force and reliability of the electromagnetic lock 3. Of course, in other embodiments, the electromagnetic lock 3 may have other structures, and the controller 81 only needs to be capable of controlling the electromagnetic lock 3 to be opened or closed.
Furthermore, as shown in fig. 4, the door lock system of the environmental test box further includes an input device 5, the input device 5 may be a human-computer interface, the human-computer interface is electrically connected to the controller 81, the human-computer interface can input various test signals, and the controller 81 can receive various test signals. Specifically, test conditions such as test time, temperature curves and the like can be input through the human-computer interaction interface. More specifically, the monitoring device 82 can acquire the input test time to determine whether the test is finished, thereby outputting a control signal to the controller 81. In this embodiment, the human-computer interface includes a display screen, and the display screen can show temperature, test time and other test conditions in the test chamber. The test process is more visual, and the operator can conveniently judge the test progress and the like.
Preferably, the controller 81 is capable of receiving a fifth signal input through the human-computer interface, so as to directly control the electromagnetic lock 3 to open or close, for example, the fifth signal may be a password, if the input password is a preset password, the controller 81 receives the fifth signal, and when the temperature signal output by the temperature sensing device 83 reaches a preset range, the controller 81 controls the electromagnetic lock 3 to open, that is, the door 2 may be opened. Under the structure, even if the test is not finished, the box door 2 can be opened by inputting the password when the temperature in the test cavity reaches the preset range. The use flexibility of the environmental test box door lock system is improved so as to deal with emergency situations, such as no need of continuing the test or the need of adding or reducing the product to be tested in the test cavity midway.
As shown in fig. 5 and fig. 6, the present embodiment further provides an environmental test chamber door lock control method, which is implemented by the environmental test chamber door lock system, and includes the following steps:
s1: the temperature sensing device 83 acquires the temperature in the test chamber and outputs a temperature signal;
s2: the monitoring device 82 generates a control signal;
s3: the controller 81 determines whether to unlock the electromagnetic lock 3 based on the temperature signal and the control signal.
The temperature sensing device 83 and the monitoring device 82 output a temperature signal and a control signal to the controller 81, respectively, and the controller 81 determines whether to unlock the electromagnetic lock according to the temperature signal and the control signal. By the control method, test interruption and even safety accidents caused by mistaken opening of the box door 2 by personnel can be effectively prevented, and personal safety and test progress of operators are guaranteed.
Specifically, step S2: the monitoring device 82 generates the control signal including:
s201: the monitoring device 82 monitors whether the test in the test cavity is finished or not, outputs a first control signal when the monitoring test process is finished, and outputs a second control signal when the monitoring test process is not finished;
and step S3: the controller 81 judges whether to unlock the electromagnetic lock 3 according to the temperature signal and the control signal includes:
s301: when the control signal is the first control signal and the temperature signal reaches the preset range, the electromagnetic lock 3 is controlled to be opened, and when the control signal is the second control signal or the temperature signal exceeds the preset range, the electromagnetic lock 3 is controlled to be closed.
When the monitoring device 82 monitors that the test is finished and the temperature in the test chamber monitored by the temperature sensing device 83 reaches a preset range, namely the condition of opening the door 2 is reached, the controller 81 controls the electromagnetic lock 3 to be opened, namely the door 2 can be opened, so that an operator can operate in the test chamber; when the monitoring device 82 monitors that the test is not finished, or the temperature in the test chamber monitored by the temperature sensing device 83 exceeds a preset range, that is, the temperature does not reach the opening condition of the door 2, the controller 81 controls the electromagnetic lock 3 to close, that is, the door 2 cannot be opened. Under the above conditions, only when the experiment that satisfies the test intracavity simultaneously finishes and the temperature reaches the condition of opening, chamber door 2 can only open, can prevent effectively that personnel from opening chamber door 2 by mistake and causing incident etc. has improved this environmental test case lock system's safety in utilization.
Example two
The environmental test chamber door lock system and the environmental test chamber door lock control method according to an embodiment of the present invention will be described with reference to fig. 1 to 5 and fig. 7.
The environmental test chamber door lock system of the present embodiment has substantially the same structure as that of the first embodiment, except that the monitoring device 82 only monitors the mechanical lock 4, and does not monitor whether the test in the test chamber is completed.
As shown in fig. 1 to 5, the door lock system of the environmental test box comprises a box body 1, a box door 2, an electromagnetic lock 3, a mechanical lock 4, a monitoring device 82, a temperature sensing device 83 and a controller 81, wherein a test chamber is arranged in the box body 1, the box door 2 is arranged on the box body 1, the electromagnetic lock 3 is arranged between the box body 1 and the box door 2, the electromagnetic lock 3 is opened to control unlocking of the box door 2, and the electromagnetic lock 3 is closed to control locking of the box door 2. The monitoring device 82 monitors whether the mechanical lock 4 has an opening operation and outputs a control signal, when the mechanical lock 4 has an opening operation, the monitoring device 82 outputs a third control signal, and when the mechanical lock 4 has no opening operation, the monitoring device 82 outputs a fourth control signal. The temperature sensing device 83 is used for monitoring the temperature in the test chamber and outputting a temperature signal. The controller 81 is electrically connected to the electromagnetic lock 3 and can receive the control signal and the temperature signal to control the opening or closing of the electromagnetic lock 3. When the controller 81 receives the third control signal and the temperature signal reaches the preset range, the electromagnetic lock 3 is controlled to be opened, and when the controller 81 receives the fourth control signal or the temperature signal exceeds the preset range, the electromagnetic lock 3 is controlled to be closed. In this embodiment, the monitoring device 82 includes a pressure sensor, and the pressure sensor is connected to the mechanical lock 4 and can detect whether the mechanical lock 4 is unlocked. The pressure sensor is simple and easy to obtain, has high detection precision, and can sensitively detect the action of the mechanical lock 4 so as to feed back the action to the controller 81. When the operator opens the mechanical lock 4, the monitoring device 82 monitors the opening operation of the mechanical lock 4 and outputs a third control signal to the controller 81, and when the temperature in the test chamber reaches the opening condition of the door 2, the controller 81 controls the electromagnetic lock 3 to open, that is, the door 2 can be opened. And when the operator does not operate the mechanical lock 4, or the operator opens the mechanical lock 4, but the temperature in the test chamber does not reach the opening condition of the box door 2, the controller 81 controls the electromagnetic lock 3 to close, that is, the box door 2 cannot be opened. Through the operation, the situation that the mechanical lock 4 is opened by mistake by an operator to open the box door 2 can be avoided, but the temperature in the test cavity is too high or too low to cause scalding or frostbite, and the operation safety is improved.
Specifically, as shown in fig. 1 and 2, the mechanical lock 4 includes a first link body 41 and a second link body 42, the first link body 41 and the second link body 42 being respectively provided on the cabinet 1 and the door 2, the first link body 41 and the second link body 42 being capable of being coupled to or separated from each other. Illustratively, the first connecting body 41 is a lock pin, the lock pin is disposed on the box body 1, the second connecting body 42 is a pin seat, the pin seat is disposed on the box door 2, and the lock pin is inserted into the pin seat to close or open the box door 2 and the box body 1, which is simple in structure and convenient to operate. In this embodiment, the pressure sensor may be provided on the lock pin or the pin boss, and when the lock pin is inserted into the pin boss, the pressure sensor outputs the fourth control signal, whereas the pressure sensor outputs the third control signal. The pressure sensor may be, but not limited to, a pressure sensor, and when the first connecting body 41 and the second connecting body 42 are connected, the pressure sensor is stressed to output a fourth control signal, and conversely, a third control signal is output. Preferably, the mechanical lock 4 further comprises a handle 43, the handle 43 is connected to the second connecting body 42 or the first connecting body 41, for example, the handle 43 is connected to the lock pin, and the locking is realized by rotating the handle 43 or pushing the handle 43 to insert the lock pin into the pin seat. The door lock system of the environmental test box provided in this embodiment has the same structure as that of the first embodiment, and is not described herein again.
As shown in fig. 5, the present embodiment further provides an environmental test chamber door lock control method, which is implemented by the environmental test chamber door lock system, and includes the following steps:
s1: the temperature sensing device 83 acquires the temperature in the test chamber and outputs a temperature signal;
s2: the monitoring device 82 generates a control signal;
s3: the controller 81 determines whether to unlock the electromagnetic lock 3 based on the temperature signal and the control signal.
The temperature sensing device 83 and the monitoring device 82 output a temperature signal and a control signal to the controller 81, respectively, and the controller 81 determines whether to unlock the electromagnetic lock 3 according to the temperature signal and the control signal. By the control method, test interruption and even safety accidents caused by mistaken unlocking of the mechanical lock 4 by personnel can be effectively prevented, and personal safety and test progress of operators are guaranteed.
Specifically, step S2: the monitoring device 82 generates the control signal including:
s202: the monitoring device 82 monitors whether the mechanical lock 4 has an opening operation, outputs a third control signal when the monitoring device 82 monitors that the mechanical lock 4 has the opening operation, and outputs a fourth control signal when the monitoring device 82 monitors that the mechanical lock 4 has no opening operation.
And step S3: the controller 81 judges whether to unlock the electromagnetic lock 3 according to the temperature signal and the control signal includes:
s302: when the control signal is the third control signal and the temperature signal reaches the preset range, the electromagnetic lock 3 is controlled to be opened, and when the control signal is the fourth control signal or the temperature signal exceeds the preset range, the electromagnetic lock 3 is controlled to be closed.
That is, when the operator opens the mechanical lock 4, the monitoring device 82 monitors the opening operation of the mechanical lock 4 and outputs a third control signal to the controller 81, and when the temperature in the test chamber reaches the opening condition of the door 2, the controller 81 controls the electromagnetic lock 3 to open, that is, the door 2 can be opened. And when the operator does not operate the mechanical lock 4, or the operator opens the mechanical lock 4, but the temperature in the test chamber does not reach the opening condition of the box door 2, the controller 81 controls the electromagnetic lock 3 to close, that is, the box door 2 cannot be opened. Through the operation, the situation that the mechanical lock 4 is opened by mistake by an operator to open the box door 2 can be avoided, but the temperature in the test cavity is too high or too low to cause scalding or frostbite, and the operation safety is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. An environmental test chamber door lock system, comprising:
the test box comprises a box body (1), wherein a test cavity is arranged in the box body (1);
the box door (2) is arranged on the box body (1);
the electromagnetic lock (3) is arranged between the box body (1) and the box door (2), the electromagnetic lock (3) is opened to control the unlocking of the box door (2), and the electromagnetic lock (3) is closed to control the locking of the box door (2);
the monitoring device (82) can monitor whether the test in the test cavity is finished or not and output a control signal, when the test in the test cavity is finished, the monitoring device (82) outputs a first control signal, and when the test in the test cavity is not finished, the monitoring device (82) outputs a second control signal;
the temperature sensing device (83), the said temperature sensing device (83) is used for monitoring the temperature in the said test cavity, and output the temperature signal;
the controller (81) is electrically connected with the electromagnetic lock (3) and can receive the control signal and the temperature signal to control the opening or closing of the electromagnetic lock (3), when the controller (81) receives the first control signal and the temperature signal reaches a preset range, the controller controls the electromagnetic lock (3) to be opened, and when the controller (81) receives the second control signal or the temperature signal exceeds the preset range, the controller controls the electromagnetic lock (3) to be closed;
the mechanical lock (4) is arranged between the box body (1) and the box door (2) and used for controlling unlocking or locking of the box door (2), the monitoring device (82) can monitor whether the mechanical lock (4) is opened or not and output a control signal, when the mechanical lock (4) is opened, the monitoring device (82) outputs a third control signal, and when the mechanical lock (4) is not opened, the monitoring device (82) outputs a fourth control signal;
when the controller (81) receives the third control signal and the temperature signal reaches a preset range, the electromagnetic lock (3) is controlled to be opened, and when the controller (81) receives the fourth control signal or the temperature signal exceeds the preset range, the electromagnetic lock (3) is controlled to be closed.
2. Environmental test chamber door lock system according to claim 1, characterized in that said monitoring means (82) comprise a pressure sensor connected to said mechanical lock (4) able to detect whether said mechanical lock (4) has been opened.
3. The environmental test cabinet door lock system according to claim 2, wherein the mechanical lock (4) comprises a first connecting body (41) and a second connecting body (42), the first connecting body (41) and the second connecting body (42) are respectively provided on the cabinet (1) and the door (2), the first connecting body (41) and the second connecting body (42) can be connected to or separated from each other, and the pressure sensor is provided on the first connecting body (41) or the second connecting body (42).
4. The environmental test box door lock system according to claim 1, wherein the electromagnetic lock (3) comprises a lock body (31) and a locking plate (32), the lock body (31) and the locking plate (32) are respectively disposed on the box body (1) and the box door (2), the lock body (31) is electrically connected to the controller (81), and the controller (81) can control the lock body (31) to suck or release the locking plate (32).
5. The environmental test cabinet door lock system according to claim 4, wherein the electromagnetic lock (3) further comprises a lock holder (33), the lock holder (33) being disposed on the cabinet door (2), the locking plate (32) being disposed on the lock holder (33).
6. Environmental test chamber door lock system according to claim 1, characterized in that one of the two adjacent sides of the chamber (1) and/or the chamber door (2) is provided with the mechanical lock (4) and the other with the electromagnetic lock (3).
7. The environmental test cabinet door lock system of claim 1, further comprising:
the input device (5) is electrically connected with the controller (81), the input device (5) can input various test signals, and the controller (81) can receive various test signals.
8. An environmental test chamber door lock control method realized by the environmental test chamber door lock system of any one of claims 1 to 7, characterized by comprising the following steps:
s1: the temperature sensing device (83) acquires the temperature in the test cavity and outputs a temperature signal;
s2: -said monitoring device (82) generating said control signal;
s3: and the controller (81) judges whether to open the electromagnetic lock (3) according to the temperature signal and the control signal.
9. The environmental test chamber door lock control method according to claim 8, wherein the monitoring device (82) generating the control signal includes: the monitoring device (82) monitors whether the test in the test cavity is finished or not, outputs the first control signal when the monitoring test process is finished, and outputs the second control signal when the monitoring test process is not finished;
the controller (81) judges whether to unlock the electromagnetic lock (3) according to the temperature signal and the control signal, and the method comprises the following steps: when the control signal is the first control signal and the temperature signal reaches a preset range, the electromagnetic lock (3) is controlled to be opened, and when the control signal is the second control signal or the temperature signal exceeds the preset range, the electromagnetic lock (3) is controlled to be closed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210005240.5A CN114370203B (en) | 2022-01-05 | 2022-01-05 | Door lock system of environmental test chamber and door lock control method of environmental test chamber |
| CN202211687171.7A CN115961846B (en) | 2022-01-05 | 2022-01-05 | Environmental test box door lock system and environmental test box door lock control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210005240.5A CN114370203B (en) | 2022-01-05 | 2022-01-05 | Door lock system of environmental test chamber and door lock control method of environmental test chamber |
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| CN202211687171.7A Division CN115961846B (en) | 2022-01-05 | 2022-01-05 | Environmental test box door lock system and environmental test box door lock control method |
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| CN114370203A CN114370203A (en) | 2022-04-19 |
| CN114370203B true CN114370203B (en) | 2023-02-07 |
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| CN202210005240.5A Active CN114370203B (en) | 2022-01-05 | 2022-01-05 | Door lock system of environmental test chamber and door lock control method of environmental test chamber |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5637812A (en) * | 1994-11-14 | 1997-06-10 | Screening Systems, Inc. | Variable volume test chamber |
| CN201100030Y (en) * | 2007-10-08 | 2008-08-13 | 纪力玩具制造有限公司 | Cipher lock |
| CN102606008B (en) * | 2012-03-19 | 2016-03-02 | 深圳市禾望电气股份有限公司 | A kind of cabinet type device door lock system control method |
| CN208396487U (en) * | 2018-01-15 | 2019-01-18 | 湖南大唐先一科技有限公司 | A kind of assay apparatus with working condition locking |
| CN211691920U (en) * | 2019-07-22 | 2020-10-16 | 重庆得思奥科技有限公司 | Electromagnetic door lock for small and medium-sized test box |
| CN110593708A (en) * | 2019-09-19 | 2019-12-20 | 北京智行者科技有限公司 | System and method for automatically opening and closing box door |
| CN212614195U (en) * | 2020-05-29 | 2021-02-26 | 广州博济生物医药科技园有限公司 | Active protection type intelligent door lock mechanism of vacuum drying oven |
| CN111654006B (en) * | 2020-06-04 | 2022-06-14 | Oppo（重庆）智能科技有限公司 | Environmental test chamber control method and device and computer readable storage medium |
| CN112256073B (en) * | 2020-10-28 | 2021-11-02 | 广州市优仪科技股份有限公司 | Temperature and humidity test chamber safety control method and device, electronic equipment and storage medium |
| CN213957431U (en) * | 2020-11-11 | 2021-08-13 | 苏州诺威特测控科技有限公司 | Chip aging test box |
| CN214439146U (en) * | 2021-01-26 | 2021-10-22 | 洛阳西测技术服务有限公司 | Portable high-low temperature low-pressure test chamber |
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| CN114370203A (en) | 2022-04-19 |
| CN115961846A (en) | 2023-04-14 |
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