CN212778093U - Portable blood transport case - Google Patents

Abstract

A portable blood transport case comprising: the heat preservation storage box body comprises a shell, a cooling chamber and a blood storage chamber, wherein the cooling chamber and the blood storage chamber are arranged in the shell; the power module, the positioning unit and the temperature sensor are all arranged in the heat-preservation storage box body; the processor unit is respectively connected with the positioning unit and the temperature sensor; and the wireless communication module is connected with the processor unit and is used for transmitting the position information and the temperature data received by the processor unit to a remote monitoring terminal. The embodiment of the utility model provides an adopt box structure, and possess independent data acquisition and data transmission system, consequently can directly use commodity circulation or express delivery to carry out single transportation, no longer need rely on the blood transport vechicle to transport, very big reduction the time of loading and unloading, uninstallation and transportation, reduced the cost of transportation to the flexibility of transportation has been increased.

Description

Portable blood transport case

Technical Field

The utility model belongs to medical treatment auxiliary field, concretely relates to portable blood transport case.

Background

At present, most of the blood bags in the market are insulation boxes made of foam or plastic materials, and the blood samples are refrigerated and transported by placing ice bags in the box space. The blood transport requirements stipulate that the temperature should be maintained at 2-10 ℃ when transporting whole blood and red blood cell-like blood components.

At present, in the blood refrigeration transportation process, after the blood bag is stored by using the heat preservation box, a transport vehicle is needed to transport a batch of heat preservation boxes to different places, and a large amount of time is wasted in the process of transporting the blood packing box or the follow-up blood packing box. The long transportation time may cause the temperature in the incubator to be not maintained within a predetermined temperature range until the temperature reaches the destination, and the blood sample may be changed. In addition, the current incubator needs to be transported by matching with a professional blood transport vehicle, so that the transportation flexibility is extremely poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a portable blood transport case, portable blood transport case can avoid the transport time overlength and the relatively poor problem of transportation flexibility.

According to the utility model discloses portable blood transport case, include: the heat preservation storage box body comprises a shell, a cooling chamber and a blood storage chamber, wherein the cooling chamber and the blood storage chamber are arranged in the shell, the shell adopts a heat preservation structure, the blood storage chamber is used for storing a blood bag, and the cooling chamber is used for storing a cooling object capable of reducing the ambient temperature; the power supply module is arranged in the shell and used for supplying power; the positioning unit is arranged in the heat preservation storage box body and used for acquiring position information; the temperature sensor is arranged in the heat preservation storage box body and is used for collecting temperature data in the blood storage chamber; the processor unit is respectively connected with the positioning unit and the temperature sensor; and the wireless communication module is connected with the processor unit and is used for transmitting the position information and the temperature data received by the processor unit to a remote monitoring terminal.

According to the utility model discloses portable blood transport case has following technological effect at least: the blood storage chamber provides a blood storage space, the blood storage chamber can be kept in a low-temperature state by placing a cooling object in the cooling chamber, the internal cold air can be reduced by the shell, the refrigerating time of the cooling object can be prolonged, and the compression of the cooling object on the blood bag can be reduced by adopting a structure that the cooling chamber and the blood storage chamber are separately arranged. The current position information can be known in real time through the positioning unit, so that manual intervention can be performed as soon as possible when an accident occurs. The temperature in the blood reservoir can be continuously monitored by the temperature sensor in order to estimate the temperature profile. The collected temperature data and the position information can be transmitted in real time through the processor unit and the wireless communication module. The power module can provide a power supply for continuous power supply, so that the whole portable blood transportation box does not depend on an external power supply to work. Furthermore, the utility model discloses portable blood transport case is because of adopting box structure, and possess independent data acquisition and data transmission system, consequently can directly use commodity circulation or express delivery to carry out single transportation, no longer need rely on the blood transport vechicle to transport, very big reduction loading and unloading, the time of uninstallation and transportation, and the cost of the reduction transportation that also can be very big of commodity circulation or express delivery transportation's mode, and increased the flexibility of transportation, even only have a small amount of blood sample also can be timely transport.

According to some embodiments of the utility model, can dismantle in the casing and be provided with hollow baffle, hollow baffle will casing inner space is cut apart into upper and lower divided cooling chamber and blood deposit room.

According to some embodiments of the utility model, be provided with a plurality of storage compartments that are used for depositing the blood package in the blood storage chamber.

According to some embodiments of the utility model, power module includes internal power source and/or portable power source, the casing outside is provided with and is used for depositing portable power source's portable power source box.

According to some embodiments of the invention, the positioning unit comprises: a satellite positioning module connected with the processor unit; the LBS positioning module is connected with the processor unit; the LBS positioning module and the satellite positioning module are jointly used for acquiring position information.

According to some embodiments of the present invention, the wireless communication module adopts a 4G/5G module.

According to some embodiments of the utility model, above-mentioned portable blood transport case still including set up in the inboard ultraviolet lamp subassembly of casing roof, ultraviolet lamp subassembly with processor unit connects.

According to some embodiments of the utility model, above-mentioned portable blood transport case still including set up in the handle of casing symmetry both sides and set up in the pulley of casing bottom.

According to some embodiments of the present invention, the portable blood transport case further comprises an operation panel disposed on the housing and connected to the processor unit.

According to some embodiments of the present invention, the portable blood transport case further comprises an electric control lock connected to the processor unit, the electric control lock being used to open or close the housing.

According to some embodiments of the utility model, above-mentioned portable blood transport case still include with the audible-visual annunciator that the treater unit is connected, audible-visual annunciator set up in operating panel is last.

According to some embodiments of the present invention, the portable blood transport case further comprises an internal memory disposed in the housing and connected to the processor unit.

According to some embodiments of the present invention, the operation panel is provided with a socket connected to the processor unit, the socket being used for connecting a pluggable memory.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a perspective view of a portable blood transport case according to an embodiment of the present invention;

fig. 2 is a perspective view of the portable blood transport case of an embodiment of the present invention (with the top plate and the mobile power source removed);

FIG. 3 is a top view of the portable blood transport case of an embodiment of the present invention (with the top plate removed, the hollow baffle removed);

FIG. 4 is a cross-sectional view of a portable blood transport case of an embodiment of the present invention;

fig. 5 is a schematic structural view of a top plate of a housing (with an ultraviolet lamp assembly) according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a top plate of a housing according to an embodiment of the present invention;

fig. 7 is an electrical system block diagram of a portable blood transport case of an embodiment of the present invention.

Reference numerals:

a shell 110, a hollow baffle 111, a storage compartment 112, a mobile power supply box 113, a handle 114, a pulley 115, a cooling chamber 120, a blood storage chamber 130, an ultraviolet lamp assembly 140,

A power supply module 200, an internal power supply 210, a portable power supply 220,

A positioning unit 300, a satellite positioning module 310, an LBS positioning module 320,

A temperature sensor 400,

A processor unit 500,

A wireless communication module 600,

An operation panel 700,

An electric control lock 800,

Audible and visual alarm 910, internal memory 920, interface 930.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, if there are first, second, third, fourth, etc. described, it is only for the purpose of distinguishing technical features, and it is not understood that relative importance is indicated or implied or that the number of indicated technical features is implicitly indicated or that the precedence of the indicated technical features is implicitly indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

A portable blood transport case according to an embodiment of the present invention is described below with reference to fig. 1 to 7.

According to the utility model discloses portable blood transport case, include: the temperature-keeping storage box comprises a heat-keeping storage box body, a power supply module 200, a positioning unit 300, a temperature sensor 400, a processor unit 500 and a wireless communication module 600. The heat preservation storage box comprises a shell 110, a cooling chamber 120 and a blood storage chamber 130, wherein the cooling chamber 120 and the blood storage chamber 130 are arranged in the shell 110, the shell 110 adopts a heat preservation structure, the blood storage chamber 130 is used for storing a blood bag, and the cooling chamber 120 is used for storing a cooling object capable of reducing the ambient temperature; a power module 200 disposed in the case 110 for supplying power; the positioning unit 300 is arranged in the heat preservation storage box body and used for acquiring position information; the temperature sensor 400 is arranged in the heat preservation storage box body and is used for collecting temperature data in the blood storage chamber 130; a processor unit 500 connected to the positioning unit 300 and the temperature sensor 400, respectively; and a wireless communication module 600 connected to the processor unit 500, for transmitting the position information and the temperature data received by the processor unit 500 to a remote monitoring terminal.

Referring to fig. 1 to 7, the housing 110 of the insulated storage case is of an insulated structure, and the outer layer and the inner layer of the housing 110 are made of high-strength protective materials to prevent external impacts from affecting the cooling chamber 120 and the blood storage chamber 130. The interlayer of the casing 110 is made of heat-insulating material, which can provide better heat-insulating effect, prevent the cold air in the cooling chamber 120 and the blood storage chamber 130 from passing, and increase the refrigerating time. The heat insulation material can be light and economical materials such as foam. The cooling chamber 120 and the blood storage chamber 130 in the housing 110 are isolated, and the cooling object can not enter the blood storage chamber 130, and the blood bag can not enter the cooling chamber 120, so that the cooling object can not press the blood bag in the transportation process.

The power module 200, the positioning unit 300, the temperature sensor 400, the processor unit 500 and the wireless communication module 600 are all disposed in the housing 110, and are generally disposed together as much as possible, so that the distance of the connecting wires can be simplified, and meanwhile, the power module 200, the positioning unit 300, the temperature sensor 400, the processor unit 500 and the wireless communication module 600 can be protected in the later period.

Positioning unit 300 can acquire current positional information, can be convenient for follow-up sending positional information to monitor terminal through treater unit 500 and wireless communication module 600, and it is right finally to realize the utility model discloses a portable blood transport case carries out a whole real-time tracking. Temperature sensor 400 mainly is the temperature that detects blood deposit room 130 to guarantee can real-time understanding temperature variation, predict the temperature trend in advance, the temperature data of gathering can be through treater unit 500 and wireless communication module 600 to monitor terminal send positional information, and final realization is right the utility model discloses a portable blood transport case carries out a whole temperature detection. Detect positional information and receive temperature data, except accomplishing foretell whole monitoring, can also be convenient for right the utility model discloses a portable blood transport case carries out emergency treatment, for example: when an accident occurs suddenly during transportation, the temperature in the shell 110 is rapidly raised, and at the moment, workers in relevant road sections can be contacted in time to replace the insulation boxes or add cooling objects according to the positioning information; when the transportation time is forced to be prolonged, the user can know the transportation time in time so as to inform related personnel of replenishing the cooling object in time.

In some embodiments of the present invention, a plurality of temperature sensors 400 are used to detect the temperature, and the temperature sensors 400 can ensure the accuracy and the anti-interference performance of the temperature measurement by detecting the temperature of a plurality of different positions in the blood storage chamber 130.

According to the utility model discloses portable blood transport case provides the space that blood was deposited through blood deposit room 130, can make blood deposit room 130 keep at the low temperature state through placing the cooling thing in cooling chamber 120, can reduce the lapse of inside air conditioning through casing 110, prolongs the refrigeration time of cooling thing, can reduce the oppression of cooling material to the blood bag through adopting the structure that cooling chamber 120 and blood deposit room 130 set up separately. The current position information can be known in real time through the positioning unit 300, so that manual intervention can be performed as soon as possible in the event of an accident. The temperature in the blood reservoir 130 can be continuously monitored by the temperature sensor 400 in order to estimate the temperature profile. The processor unit 500 and the wireless communication module 600 can transmit the collected temperature data and the position information in real time. A continuously powered power source may be provided by the power module 200 so that the entire portable blood transport case no longer relies on an external power source for operation. Furthermore, the utility model discloses portable blood transport case is because of adopting box structure, and possess independent data acquisition and data transmission system, consequently can directly use commodity circulation or express delivery to carry out single transportation, no longer need rely on the blood transport vechicle to transport, very big reduction loading and unloading, the time of uninstallation and transportation, and the cost of the reduction transportation that also can be very big of commodity circulation or express delivery transportation's mode, and increased the flexibility of transportation, even only have a small amount of blood sample also can be timely transport.

In some embodiments of the present invention, the processor unit 500 may adopt a single chip microcomputer or an ARM as a core controller. In some embodiments of the present invention, a single chip microcomputer is used as the core controller of the processor unit 500, and an STM32 series single chip microcomputer is selected.

In some embodiments of the invention, the cooling object is an ice crystal or an ice bag. The ice crystals have long cold accumulation time, can be cooled for a long time, and are suitable for large-scale use. The cooling thing can use the inside cooling bag that contains not take place to cool off the reaction material, and the cooling can not be lowered the temperature when not taking place the reaction to multiple material in the cooling bag, when needs use, directly claps for multiple material reacts in the cooling bag, reaches the effect of cooling.

In some embodiments of the present invention, the housing 110 is detachably provided with a hollow baffle 111, and the hollow baffle 111 divides the inner space of the housing 110 into a cooling chamber 120 and a blood storage chamber 130 which are vertically separated. Can dismantle the fretwork baffle 111 of setting after cutting apart casing 110 is inside, can be so that cooling object and blood bag can independently deposit, can not extrude mutually during in time the transportation yet, lead to the blood bag damaged. The hollow structure of the hollow baffle 111 can make the cold air emitted by the cooling object circulate better, and can perform better cold insulation effect on the blood bag in the blood storage chamber 130. Referring to fig. 2, 3 and 4, the upper space partitioned by the hollow inside of the housing 110 is the cooling chamber 120, the lower space is the blood storage chamber 130, and the cool air released by the cooling object in the cooling chamber 120 can better cool the blood storage chamber 130 under the action of gravity. Meanwhile, the hollow baffle 111 is designed to be detachable, so that the blood bag can be taken out only by taking the hollow baffle 111 away.

In some embodiments of the present invention, a plurality of storage compartments 112 for storing blood bags are provided within the blood storage compartment 130. Referring to fig. 2, 3 and 4, storage compartment 112 will tend to remain parallel to the bottom of housing 110, which ensures that the bag placed in storage compartment 112 is as smooth as possible. The storage compartments 112 are not completely separated from each other, and a through hole is formed between the storage compartments 112 to facilitate the circulation of cold air between the storage compartments 112.

In some embodiments of the present invention, referring to fig. 3 and 4, a plurality of support legs are disposed on the bottom inside the casing 110, a hollow plate supported by the plurality of support legs is used together, a plurality of storage compartments 112 will be formed by hollow separation strips on the hollow plate, and each storage compartment 112 can be used for placing a blood bag. Therefore, in the transportation process, even if a plurality of blood bags exist, the blood bags can not be squeezed mutually to cause breakage in a separated placing mode.

In some embodiments of the present invention, referring to fig. 7, the power module 200 includes an internal power source 210 and/or a mobile power source 220, and a mobile power box 113 for storing the mobile power source 220 is disposed outside the housing 110. The power module 200 usually employs an internal power source 210, and the internal power source 210 can provide a long-term power supply for the whole system through its own storage battery. However, in some smaller cases 110, the case 110 is smaller and therefore does not have enough space for arranging enough batteries, and if the case 110 is simply used to increase the number of batteries, the heat preservation effect of the case 110 is also reduced. At this time, the mobile power supply 220 may be externally arranged, and referring to fig. 1 and fig. 3, the mobile power supply box 113 specially used for placing the mobile power supply 220 is arranged outside the casing 110, so that the operation time of the blood transportation box can be effectively increased by the structure. In some embodiments of the present invention, only the mobile power source 220 may be directly used.

In some embodiments of the present invention, a power detection unit connected to the processor unit 500 is further provided, and the power detection unit is used for detecting the remaining power of the power module 200. The acquired residual electric quantity data can be transmitted to the monitoring terminal through the processor unit 500 and the wireless communication module 600, and when the monitoring terminal detects that the electric quantity is low, related personnel can be actually informed to replace the mobile power supply 220. The electric quantity detection unit can directly use the voltage of the voltage division circuit to collect the voltage of the power supply module.

In some embodiments of the present invention, referring to fig. 1, the positioning unit 300 includes: a satellite positioning module 310 connected to the processor unit 500; an LBS location module 320 connected with the processor unit 500; the LBS positioning module 320 and the satellite positioning module 310 are used together to acquire position information. The positioning unit 300 usually employs the satellite positioning module 310, but the satellite positioning module 310 alone may have inaccurate positioning due to some obstacles, so that a dual positioning system may be formed in combination with the LBS positioning module 320, thereby effectively improving the positioning accuracy. The satellite positioning module 310 may use a GPS system or a beidou system.

In some embodiments of the present invention, the wireless communication module 600 is a 4G/5G module. The 4G/5G module can directly utilize the existing mobile communication network to realize the ultra-long distance transmission of data, and the communication cost is lower because the data volume of the communication is not large.

In some embodiments of the present invention, referring to fig. 6, the inner side of the top plate of the housing can be set to be a structure with concave-convex spacing, and by this structure, the strength of the top plate of the housing can be effectively improved.

In some embodiments of the present invention, referring to fig. 4 and 6, the portable blood transporting box further includes an ultraviolet lamp assembly 140 disposed inside the top plate of the housing 110, and the ultraviolet lamp assembly 140 is connected to the processor unit 500. The uv lamp assembly 140 may discharge uv light for a continuous sterilization within the housing 110. The ultraviolet lamp assembly 140 is turned on when no blood bag is present inside, thus ensuring that the portable blood transport case remains as sterile as possible during storage. It is also noted that the UV light can be destructive to the blood, and therefore, the UV light assembly 140 may need to be turned off prior to placement in the blood bag. The utility model discloses an in some embodiments, ultraviolet lamp subassembly 140 adopts the ultraviolet lamp plate, and the top of whole casing 110 is covered with to the ultraviolet lamp plate as far as possible, and then can guarantee that shining of ultraviolet in casing 110 is more even.

In some embodiments of the present invention, referring to fig. 1 and 2, the portable blood transporting box further includes handles 114 disposed at two symmetrical sides of the housing 110 and pulleys 115 disposed at the bottom of the housing 110. Set up the handle 114 of symmetry, can be convenient for right the utility model discloses a portable blood transport case's transport sets up pulley 115, can drag the line when the blood bag is heavier. The handle 114 is of a deployable configuration, allowing the handle 114 to be retracted when not needed for use and allowing the handle 114 to be opened when needed for use.

In some embodiments of the present invention, referring to fig. 1, 2 and 7, the portable blood transport case further includes an operation panel 700 disposed on the housing 110 and connected to the processor unit 500. The operation panel 700 is embedded outside the housing 110, and the operation panel 700 is provided with operation buttons and a display screen, so that parameters such as temperature in the housing 110 can be viewed. The operating buttons and the display screen can be used as operating equipment for controlling the electric control lock 800 and the ultraviolet lamp to start and stop.

In some embodiments of the present invention, referring to fig. 7, the portable blood transport case further comprises an electrically controlled lock 800 connected to the processor unit 500, wherein the electrically controlled lock 800 is used for opening or closing the housing 110. The electric control lock 800 may be disposed at a position where the top cover and the main body of the housing 110 are combined, and the opening and closing of the electric control lock 800 may be controlled by operating buttons in the operation panel 700. After the electric control lock 800 is arranged, the shell 110 can be prevented from being opened due to reasons such as vibration in the transportation process, and meanwhile, the shell 110 can be prevented from being opened by mistake by irrelevant personnel, so that cold air is lost.

In some embodiments of the present invention, referring to fig. 1, 2 and 7, the portable blood transporting box further includes an audible and visual alarm 910 connected to the processor unit 500, wherein the audible and visual alarm 910 is disposed on the operation panel 700. Can let when breaking down through audible-visual annunciator 910 in the utility model discloses a personnel around portable blood transport case in time know to in time troubleshooting. The audible and visual alarm 910 is usually disposed directly on the operation panel 700, so as to facilitate the centralized wiring inside and the checking of the alarm status. The audible and visual alarm 910 may employ a combination of a light emitting diode and a buzzer. The light emitting diode and the buzzer may be directly fixed on the operation panel 700.

In some embodiments of the present invention, referring to fig. 7, the portable blood transport case further comprises an internal memory 920 disposed in the housing 110 and connected to the processor unit 500. The internal memory 920 may be used to temporarily store the operation data, and particularly, when the wireless communication module 600 fails, the data may be recorded all the time, and after the communication is recovered, the data may be continuously transmitted, so as to ensure the integrity of the data.

In some embodiments of the present invention, referring to fig. 1, fig. 2, and fig. 7, the operation panel 700 is provided with a socket 930 connected to the processor unit 500, and the socket 930 is used to connect the pluggable memory. After the socket 930 is provided to connect the external pluggable memory, the data stored inside can be imported to the outside, which facilitates centralized storage. And the client can conveniently and directly check the copy.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and those skilled in the art can understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A portable blood transport case, comprising:

the heat preservation storage box body comprises a shell (110), a cooling chamber (120) and a blood storage chamber (130), wherein the cooling chamber (120) and the blood storage chamber (130) are arranged in the shell (110), the shell (110) adopts a heat preservation structure, the blood storage chamber (130) is used for storing a blood bag, and the cooling chamber (120) is used for placing a cooling object capable of reducing the ambient temperature;

a power module (200) disposed in the housing (110) for providing power;

the positioning unit (300) is arranged in the heat-preservation storage box body and used for acquiring position information;

the temperature sensor (400) is arranged in the heat preservation storage box body and is used for collecting temperature data in the blood storage chamber (130);

the processor unit (500) is respectively connected with the positioning unit (300) and the temperature sensor (400);

and the wireless communication module (600) is connected with the processor unit (500) and is used for transmitting the position information and the temperature data received by the processor unit (500) to a remote monitoring terminal.

2. The portable blood transport case of claim 1, wherein a hollow-out baffle (111) is detachably disposed in the housing (110), and the hollow-out baffle (111) divides the inner space of the housing (110) into a cooling chamber (120) and a blood storage chamber (130) which are vertically separated.

3. A portable blood transport case according to claim 1, wherein a plurality of storage compartments (112) for storing blood bags are provided within the blood storage chamber (130).

4. The portable blood transport case of claim 1, wherein the power module (200) comprises an internal power source (210) and/or a mobile power source (220), and a mobile power box (113) for storing the mobile power source (220) is provided outside the housing (110).

5. The portable blood transport case of claim 1, wherein the positioning unit (300) comprises:

a satellite positioning module (310) connected with the processor unit (500);

an LBS positioning module (320) connected with the processor unit (500); the LBS positioning module (320) and the satellite positioning module (310) are used together to obtain location information.

6. The portable blood transport case of claim 1, wherein the wireless communication module (600) is a 4G/5G module.

7. The portable blood transport case of claim 1, further comprising an ultraviolet lamp assembly (140) disposed inside a top panel of the housing (110), the ultraviolet lamp assembly (140) being connected to the processor unit (500).

8. The portable blood transport case of claim 1, further comprising handles (114) disposed on symmetrical sides of the housing (110) and pulleys (115) disposed on the bottom of the housing (110).

9. The portable blood transport case of claim 1, further comprising an operating panel (700) disposed on the housing (110) and connected to the processor unit (500).

10. The portable blood transport case of claim 1 or 9, further comprising an electrically controlled lock (800) connected to the processor unit (500), the electrically controlled lock (800) being used to open or close the housing (110).

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